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Respiratory Virus Report, Week 17 - ending April 27, 2024

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Organization: Public Health Agency of Canada

Please note that the Respiratory Virus Detection Surveillance System (RVDSS) is a sentinel laboratory surveillance system that does not capture all respiratory virus testing performed in Canada; differences may exist between the data presented in this report and provincial/territorial epidemiological reports. SARS-CoV-2 laboratory data is included in this report to facilitate the comparison of positivity with other respiratory viruses. Interpretation should be made with caution as testing practices differ among viruses.

For additional SARS-CoV-2 surveillance information, please refer to the COVID-19 epidemiology update.

Overall summary

In week 17 (week ending April 27, 2024) in Canada, percent positivity is currently highest for enterovirus/rhinovirus among respiratory viruses under surveillance. The following results were reported from RVDSS laboratories:

  • Following several months of decrease, national SARS-CoV-2 percent positivity is currently stable (1,418 detections; 5.5% positive) and below the most recent peak recorded in November 2023 (19.3% positive).
  • Influenza percent positivity is decreasing (1,523 detections; 5.9% positive) as percent positivity has decreased in recent weeks for both influenza A (300 detections; 1.2% positive) and influenza B (1,223 detections; 4.7% positive).
  • RSV percent positivity is stable (321 detections; 1.4% positive).
  • Percent positivity of all other non-SARS-CoV-2 respiratory viruses is near expected levels typical of this time of year.
    • Percent positivity of enterovirus/rhinovirus is increasing (361 detections; 11.1% positive), typical of this time of year.
  • 33/35 sentinel laboratories reported surveillance data

On this page

Abbreviations:
ADV
Adenovirus
Atl
Atlantic Canada
BC
British Columbia
Can
Canada
EORLA
Eastern Ontario Regional Laboratory Association
EV/RV
Enterovirus/Rhinovirus
Flu
Influenza
Flu A(H1)pdm09
Influenza A(H1N1)pdm09
Flu A(H3)
Influenza A(H3N2)
Flu A(UnS)
Influenza A(Unsubtyped)
HCoV
Human coronavirus 229E/OC43/NL63/HKU1
HMPV
Human metapneumovirus
HPIV
Human parainfluenza virus
HSC
Health Sciences Centre
N.C.
Data not collected
N.R.
Data not reported for current week
ON
Ontario
PR
Prairies
P.H.O.L.
Public Health Ontario Laboratory
QC
Quebec
RSV
Respiratory syncytial virus
RVDSS
Respiratory Virus Detection Surveillance System
SARS-CoV-2
Severe acute respiratory syndrome coronavirus 2
Terr
Territories of Canada
UHN
University Health Network

Respiratory virus detections

Table 1: Respiratory virus detections for the week ending April 27, 2024 (surveillance week 2024-17)
Reporting Laboratory SARS-CoV-2 Tested SARS-CoV-2 Positive Flu Tested A(H1)pdm09 Positive A(H3) Positive A(UnS) Positive Total Flu A Positive Total Flu B Positive RSV Tested RSV Positive HPIV Tested HPIV 1 Positive HPIV 2 Positive HPIV 3 Positive HPIV 4 Positive Other HPIV Positive ADV Tested ADV Positive HMPV Tested HMPV Positive EV/RV Tested EV/RV Positive HCoV Tested HCoV Positive
Newfoundland 617 87 515 0 0 3 3 8 515 14 515 1 1 33 1 0 515 11 515 24 515 65 515 28
Prince Edward Island 148 4 137 0 0 0 0 1 137 1 16 0 0 5 0 0 16 1 16 0 16 8 16 4
Nova Scotia 1155 84 1143 0 0 39 39 47 961 7 26 0 0 4 0 0 26 0 26 0 26 7 26 0
New Brunswick 870 35 873 11 0 0 11 34 873 6 101 1 0 15 1 0 101 3 101 10 101 24 101 2
Atlantic 2790 210 2668 11 0 42 53 90 2486 28 658 2 1 57 2 0 658 15 658 34 658 104 658 34
Région Nord-Est 1299 39 1370 0 0 3 3 173 645 22 90 1 0 5 0 0 90 4 88 5 N.C. N.C. 90 6
Québec-Chaudière-Appalaches 1282 56 1586 0 0 13 13 106 1499 44 682 0 0 11 0 0 692 14 682 43 N.C. N.C. 539 33
Centre-du-Québec 1626 68 1524 0 0 10 10 93 665 12 26 0 0 3 0 0 26 0 26 2 N.C. N.C. 26 3
Montréal-Laval 1567 45 2275 0 0 22 22 107 1314 32 770 1 1 53 0 0 770 21 772 47 N.C. N.C. 770 28
Ouest du Québec 940 24 593 0 0 11 11 34 589 4 23 0 0 6 0 0 23 2 23 1 N.C. N.C. 23 0
Montérégie 1009 42 1140 0 0 8 8 38 1140 37 3 0 0 0 0 0 3 0 3 0 N.C. N.C. 3 0
Province of Québec 7723 274 8488 0 0 67 67 551 5852 151 1594 2 1 78 0 0 1604 41 1594 98 N.C. N.C. 1451 70
P.H.O.L. - Ottawa 195 24 170 0 1 2 2 2 170 8 98 0 0 0 0 7 98 0 98 13 98 14 98 8
EORLA 752 18 443 0 0 2 2 13 443 7 41 0 0 1 0 0 41 0 41 1 41 11 41 2
P.H.O.L. - Kingston 117 28 88 8 1 1 1 0 88 0 52 0 0 0 0 2 52 0 52 2 52 2 52 4
UHN / Mount Sinai Hospital 873 39 622 0 0 3 3 2 622 3 83 0 0 1 0 0 83 0 83 0 83 1 83 0
P.H.O.L. - Toronto 290 40 896 10 6 6 18 5 896 2 850 0 0 0 0 93 850 12 850 71 850 91 850 54
Sick Kids Hospital - Toronto N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R.
Shared Hospital Laboratory 1206 26 902 4 1 1 6 15 902 2 895 0 0 0 0 10 895 4 897 12 897 41 897 5
P.H.O.L. - Sault Ste. Marie 5 3 8 0 0 0 0 0 8 0 8 0 0 0 0 2 8 0 8 0 8 0 8 1
P.H.O.L. - Timmins 24 0 29 0 0 3 3 1 29 0 24 0 0 0 0 2 24 0 24 0 24 1 24 5
St. Joseph's - London 553 18 426 0 0 1 1 9 426 2 45 0 0 0 0 1 45 1 45 2 45 9 45 1
P.H.O.L. - London 261 32 240 9 0 1 5 3 240 1 216 0 0 0 0 18 216 1 216 23 216 21 216 25
P.H.O.L. - Orillia 17 1 6 0 0 0 0 1 6 0 6 0 0 0 0 0 6 0 6 0 6 1 6 0
P.H.O.L. - Thunder Bay 36 12 23 0 1 0 0 0 23 1 19 0 0 0 0 0 19 0 19 2 19 1 19 1
P.H.O.L. - Sudbury 14 0 18 0 0 0 0 0 18 0 14 0 0 0 0 1 14 0 14 0 14 4 14 1
P.H.O.L. - Hamilton 40 5 54 4 0 1 1 0 54 0 41 0 0 0 0 6 41 0 41 4 41 14 41 3
P.H.O.L. - Peterborough 79 17 81 3 0 0 0 3 81 0 37 0 0 0 0 5 37 1 37 3 37 13 37 2
St. Joseph's - Hamilton 1491 53 1401 0 0 13 13 44 1401 10 1401 0 0 70 0 0 1401 9 1401 30 1401 124 0 0
Sault Area Hospital 96 18 71 0 1 0 1 2 71 0 64 0 0 5 0 0 64 0 64 10 64 11 64 1
Province of Ontario 6049 334 5478 38 11 34 56 100 5478 36 3894 0 0 77 0 147 3894 28 3896 173 3896 359 2495 113
Manitoba 1284 70 1014 0 1 13 14 81 1014 10 100 1 0 11 2 0 100 2 100 5 100 19 100 3
Saskatchewan 1285 59 1064 0 0 5 5 69 894 21 396 0 0 26 0 0 396 6 396 17 396 35 396 29
Alberta 3714 196 4198 5 13 0 18 251 3987 44 1062 8 0 73 0 0 1062 10 964 1 1052 108 1062 56
Prairies 6283 325 6276 5 14 18 37 401 5895 75 1558 9 0 110 2 0 1558 18 1460 23 1548 162 1558 88
British Columbia 2970 272 3018 28 14 1 87 78 2901 30 681 3 1 58 3 0 681 12 681 32 657 123 657 19
Yukon 29 1 22 0 0 0 0 1 22 1 N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C.
Northwest Territories 25 2 25 0 0 0 0 2 25 0 N.C. N.C. N.C. N.C. N.C. N.C. 25 0 25 1 25 3 N.C. N.C.
Nunavut N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C.
Territories 54 3 47 0 0 0 0 3 47 1 N.C. N.C. N.C. N.C. N.C. N.C. 25 0 25 1 25 3 N.C. N.C.
CANADA 25869 1418 25975 82 39 162 300 1223 22659 321 8385 16 3 380 7 147 8420 114 8314 361 6784 751 6819 324

The data in the RVDSS report represent surveillance data available at the time of writing. Data missing from the current week are denoted by N.R. Data not collected by reporting lab denoted by N.C.

Some specimens from Yukon (YT) are sent to reference laboratories in British Columbia and reported results reflect specimens identified as originating from YT.

Results from British Columbia comprise of specimens from the following sites: Children's and Women's Hospital Laboratory, Fraser Health Medical Microbiology Laboratory, Island Health, Providence Health Care, Vancouver Coastal Health sites, Victoria General Hospital, BCCDC Public Health Laboratory, Interior Health Authority sites and Northern Health Authority sites.

Due to different testing protocols of laboratories across Canada, influenza A subtype detection counts may not be included in total influenza A detection counts. Total influenza A and B positive counts are used to calculate percentage of tests positive.

Delays in the reporting of data may cause data to change retrospectively.

Table 2: Cumulative respiratory virus detections from August 27, 2023 to April 27, 2024 (surveillance weeks 2023-35 to 2024-17)
Reporting Laboratory SARS-CoV-2 Tested SARS-CoV-2 Positive Flu Tested A(H1)pdm09 Positive A(H3) Positive A(UnS) Positive Total Flu A Positive Total Flu B Positive RSV Tested RSV Positive HPIV Tested HPIV 1 Positive HPIV 2 Positive HPIV 3 Positive HPIV 4 Positive Other HPIV Positive ADV Tested ADV Positive HMPV Tested HMPV Positive EV/RV Tested EV/RV Positive HCoV Tested HCoV Positive
Newfoundland 21577 3098 15919 0 0 1338 1338 148 15919 979 15919 20 75 134 107 0 15919 266 15919 393 15919 1281 15919 472
Prince Edward Island 7793 793 5175 0 0 542 542 232 5175 374 579 3 0 24 8 0 578 36 568 22 579 153 563 32
Nova Scotia 49704 8672 36159 0 0 2834 2834 562 29564 1460 1202 16 3 10 10 0 1202 43 1195 13 1202 239 1201 26
New Brunswick 37764 4003 35735 910 26 1906 2842 945 35331 1912 3228 9 4 59 33 0 3228 118 3228 107 3228 640 3228 130
Atlantic 116838 16566 92988 910 26 6620 7556 1887 85989 4725 20928 48 82 227 158 0 20927 463 20910 535 20928 2313 20911 660
Région Nord-Est 57831 7196 53302 5 0 4732 4737 1272 21653 1501 2798 17 12 43 18 0 2798 118 2725 127 N.C. N.C. 2798 139
Québec-Chaudière-Appalaches 66623 9453 48062 0 0 5584 5584 1873 46048 2825 18529 22 9 57 14 0 19080 563 18529 657 N.C. N.C. 15148 583
Centre-du-Québec 83509 12576 44666 0 0 4605 4605 1231 25265 1680 1238 15 8 27 7 0 1238 60 1238 56 N.C. N.C. 1270 48
Montréal-Laval 99197 14053 86284 5 2 6758 6765 1106 54874 3017 29267 96 44 415 25 0 29267 582 29347 804 N.C. N.C. 29267 1041
Ouest du Québec 54642 10110 24367 4 0 2131 2135 439 24132 1120 673 11 3 31 7 0 673 53 673 29 N.C. N.C. 673 29
Montérégie 53419 8118 45151 0 0 3269 3269 492 44067 1884 243 1 0 1 2 0 243 8 243 5 N.C. N.C. 243 3
Province of Québec 415221 61506 301832 14 2 27079 27095 6413 216039 12027 52748 162 76 574 73 0 53299 1384 52755 1678 N.C. N.C. 49399 1843
P.H.O.L. - Ottawa 11566 3885 8228 300 55 199 428 46 8222 155 4912 0 0 0 0 144 4912 13 4910 147 4912 450 4910 308
EORLA 42505 4596 20444 0 0 1630 1630 460 20444 1147 1381 3 5 38 4 0 1356 14 1381 38 1381 249 1381 46
P.H.O.L. - Kingston 7913 2179 4602 147 20 97 229 8 4602 168 3150 0 0 0 0 87 3150 12 3150 39 3150 337 3150 168
UHN / Mount Sinai Hospital 37161 3124 23721 41 10 571 622 90 23721 232 1682 0 0 26 2 0 1682 3 1682 17 1682 78 1682 47
P.H.O.L. - Toronto 19873 5576 37291 1213 923 365 1840 269 37282 1058 34289 0 0 0 0 1357 34297 409 34274 931 34289 3183 34274 1839
Sick Kids Hospital - Toronto 4293 319 3867 106 100 20 226 72 3867 313 3867 15 12 97 21 0 3867 103 3867 128 3867 739 3867 119
Shared Hospital Laboratory 59543 4651 49670 873 538 296 1707 460 49677 1347 49425 0 0 0 0 356 43771 356 49514 333 49532 1626 49536 557
P.H.O.L. - Sault Ste. Marie 520 210 653 55 3 17 69 3 653 46 450 0 0 0 0 12 450 1 450 0 450 27 450 47
P.H.O.L. - Timmins 1192 331 1241 67 10 33 99 12 1241 67 992 0 0 0 0 31 992 5 992 14 992 60 992 55
St. Joseph's - London 29876 3540 16894 0 0 1001 1001 266 16880 738 2319 0 0 0 0 41 2338 40 2338 49 2340 259 2338 74
P.H.O.L. - London 15342 4226 11605 501 146 170 623 115 11602 477 9407 0 0 0 0 322 9407 43 9405 185 9407 808 9405 419
P.H.O.L. - Orillia 611 153 1278 73 17 11 101 1 1275 74 1208 0 0 0 0 31 1208 16 1208 20 1208 146 1208 27
P.H.O.L. - Thunder Bay 1994 541 1278 64 2 8 45 11 1275 31 1066 0 0 0 0 32 1066 6 1066 34 1066 63 1066 30
P.H.O.L. - Sudbury 807 243 978 45 1 23 69 2 976 26 704 0 0 0 0 26 705 2 704 14 704 64 704 66
P.H.O.L. - Hamilton 7223 2121 6060 153 66 99 259 41 6059 172 4586 0 0 0 0 153 4586 89 4585 127 4586 594 4585 221
P.H.O.L. - Peterborough 2541 715 2628 210 205 73 155 35 2618 222 2019 0 0 0 0 91 2019 41 2019 65 2019 314 2019 62
St. Joseph's - Hamilton 65165 5957 58408 0 0 3259 3259 904 58408 1796 58408 0 0 733 0 0 58408 375 58408 886 58408 3407 0 0
Sault Area Hospital 6278 840 4315 182 25 56 263 23 4308 205 3418 28 0 40 17 0 3369 40 3369 70 3369 299 3379 75
Province of Ontario 314403 43207 253161 4030 2121 7928 12625 2818 253110 8274 183283 46 17 934 44 2683 177583 1568 183322 3097 183362 12703 124946 4160
Manitoba 55358 7588 41770 146 14 1904 2064 654 41770 1406 3292 5 11 45 44 0 3292 130 4067 166 3292 582 4067 152
Saskatchewan 70335 7565 48998 142 22 5433 5597 2056 43532 1709 15953 31 9 209 25 0 15953 294 15953 818 15953 1519 15953 485
Alberta 184173 20447 164462 11824 838 588 13319 4296 153914 6327 45370 154 93 824 3 0 45358 513 43655 36 44648 4110 45369 1263
Prairies 309866 35600 255230 12112 874 7925 20980 7006 239216 9442 64615 190 113 1078 72 0 64603 937 63675 1020 63893 6211 65389 1900
British Columbia 131015 17062 132226 4147 860 269 8896 1315 128968 5998 31332 125 187 510 191 0 31329 965 31214 1268 30115 4515 30092 972
Yukon 1824 181 1198 35 15 0 63 18 1189 47 N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C.
Northwest Territories 1290 79 1227 167 7 1 175 60 1227 173 N.C. N.C. N.C. N.C. N.C. N.C. 1028 46 1028 11 1227 151 N.C. N.C.
Nunavut 4770 397 3468 433 34 52 519 226 3468 504 N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C.
Territories 7884 657 5893 635 56 53 757 304 5884 724 N.C. N.C. N.C. N.C. N.C. N.C. 1028 46 1028 11 1227 151 N.C. N.C.
CANADA 1295227 174598 1041330 21848 3939 49874 77909 19743 929206 41190 352906 571 475 3323 538 2683 348769 5363 352904 7609 299525 25893 290737 9535

The data in the RVDSS report represent surveillance data available at the time of writing. Data not collected by reporting lab denoted by N.C.

Some specimens from Yukon (YT) are sent to reference laboratories in British Columbia and reported results reflect specimens identified as originating from YT.

Results from British Columbia comprise of specimens from the following sites: Children's and Women's Hospital Laboratory, Fraser Health Medical Microbiology Laboratory, Island Health, Providence Health Care, Vancouver Coastal Health sites, Victoria General Hospital, BCCDC Public Health Laboratory, Interior Health Authority sites and Northern Health Authority sites.

Due to different testing protocols of laboratories across Canada, influenza A subtype detection counts may not be included in total influenza A detection counts. Total influenza A and B positive counts are used to calculate percentage of tests positive.

Delays in the reporting of data may cause data to change retrospectively. Due to these delays, the sum of weekly report totals do not add up to cumulative totals.

Positive respiratory virus tests historical comparison

Figure 1: Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), influenza, and respiratory syncytial virus tests (%) reported by participating laboratories in Canada by surveillance week compared to average and range from 2014-2015 to 2019-2020 season
Figure 1

Shaded area represents the maximum and minimum % of respiratory virus tests positive reported by week from seasons 2014-2015 to 2019-2020

Note: Changes to testing practices during the COVID-19 pandemic may cause substantial changes to indicator estimates from previous years. Collection of laboratory testing practice meta-data to understand these changes is ongoing. Interpret trends with caution.

Note: SARS-CoV-2 surveillance was integrated into RVDSS at the beginning of the 2022-2023 season; no prior data is available for historical comparison.

Note: Data from week 11 of the 2019-2020 season onwards are excluded from the historical comparison due to the COVID-19 pandemic.

Figure 1: Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), influenza, and respiratory syncytial virus tests (%) reported by participating laboratories in Canada by surveillance week compared to average and range from 2014-2015 to 2019-2020 season
Week Week end 2023-2024 SARS-CoV-2% 2022-2023 SARS-CoV-2% 2023-2024 A% 2022-2023 A% 2021-2022 A% Max A% Base Min A% Base Av A% Base 2023-2024 B% 2022-2023 B% 2021-2022 B% Max B% Base Min B% Base Av B% Base 2023-2024 RSV% 2022-2023 RSV% 2021-2022 RSV% Max RSV% Base Min RSV% Base Av RSV% Base
35 2023-09-02 14.40 13.40 0.69 0.18 0.04 1.60 0.11 0.67 0.06 0.02 0.00 0.28 0.00 0.14 0.58 1.12 4.43 1.34 0.38 0.61
36 2023-09-09 15.92 13.07 0.43 0.14 0.01 2.11 0.23 0.99 0.06 0.04 0.00 0.55 0.00 0.15 0.71 1.12 6.61 1.09 0.22 0.62
37 2023-09-16 16.49 12.74 0.48 0.23 0.03 1.59 0.35 0.87 0.03 0.01 0.00 0.19 0.04 0.12 0.82 1.06 7.59 1.37 0.38 0.65
38 2023-09-23 18.60 13.62 0.51 0.48 0.00 2.15 0.43 1.17 0.02 0.02 0.00 0.21 0.00 0.14 1.15 1.47 7.16 1.24 0.37 0.67
39 2023-09-30 19.59 14.44 0.51 0.67 0.01 2.65 0.50 1.52 0.09 0.03 0.00 0.29 0.09 0.18 1.14 2.14 8.48 1.29 0.51 0.72
40 2023-10-07 19.81 15.06 0.64 0.96 0.00 2.17 1.01 1.58 0.05 0.03 0.02 0.20 0.05 0.11 1.35 2.54 8.53 1.39 0.34 0.71
41 2023-10-14 17.55 16.59 0.49 1.42 0.03 2.66 1.05 1.56 0.03 0.01 0.03 0.36 0.03 0.16 1.80 3.65 9.54 1.74 0.58 1.03
42 2023-10-21 17.78 15.39 0.73 2.36 0.03 2.96 0.77 1.92 0.08 0.05 0.02 0.45 0.05 0.25 2.38 4.63 8.18 2.11 0.63 1.25
43 2023-10-28 17.89 15.78 1.16 5.47 0.03 5.19 0.68 2.59 0.10 0.03 0.02 0.55 0.06 0.23 3.25 6.76 8.11 2.16 0.55 1.41
44 2023-11-04 17.74 13.91 2.63 10.75 0.10 8.32 1.08 3.35 0.10 0.03 0.10 0.71 0.12 0.31 4.07 7.77 7.82 3.35 0.83 2.07
45 2023-11-11 18.17 12.43 4.93 16.19 0.07 9.83 1.18 4.19 0.14 0.04 0.06 0.97 0.22 0.44 5.12 7.68 7.03 4.43 1.29 2.71
46 2023-11-18 18.80 11.96 7.24 20.23 0.10 13.89 1.42 5.43 0.16 0.05 0.06 1.49 0.09 0.57 5.85 7.54 7.18 6.33 1.38 3.60
47 2023-11-25 19.31 11.76 8.81 24.27 0.13 15.25 1.25 6.91 0.12 0.04 0.07 2.13 0.13 0.80 6.81 6.66 8.10 8.69 1.79 4.79
48 2023-12-02 18.03 12.12 11.62 24.04 0.19 18.07 0.76 9.40 0.26 0.03 0.15 3.18 0.08 1.20 6.99 6.87 8.92 9.47 3.11 6.08
49 2023-12-09 17.53 12.61 14.74 21.12 0.23 19.13 1.43 11.34 0.29 0.06 0.05 4.21 0.19 1.60 7.38 7.29 10.09 12.26 5.40 7.54
50 2023-12-16 17.78 13.10 15.32 17.31 0.23 26.42 1.97 13.93 0.36 0.06 0.02 7.50 0.15 2.48 7.26 8.61 10.78 13.19 6.42 8.55
51 2023-12-23 16.81 14.09 16.78 12.50 0.18 28.53 2.27 16.69 0.45 0.05 0.02 10.44 0.19 3.30 7.29 9.16 8.97 15.23 7.40 9.92
52 2023-12-30 15.35 15.53 18.18 7.93 0.09 33.97 3.30 20.32 0.52 0.07 0.01 12.58 0.23 4.04 7.41 10.59 6.72 17.80 7.89 10.97
1 2024-01-06 14.51 15.03 14.49 4.54 0.08 30.93 4.58 19.59 0.60 0.07 0.00 10.34 0.22 3.87 7.10 10.34 5.26 15.62 8.37 10.84
2 2024-01-13 13.03 13.38 11.16 2.21 0.11 26.80 5.46 19.11 0.56 0.05 0.01 11.01 0.29 3.91 6.26 9.07 4.32 14.05 7.45 10.24
3 2024-01-20 11.35 12.21 10.27 1.40 0.04 28.20 9.13 18.95 0.79 0.14 0.01 12.75 0.35 4.70 6.13 8.43 3.42 15.56 7.90 10.95
4 2024-01-27 10.19 11.30 11.10 0.91 0.05 27.01 12.34 18.82 1.08 0.14 0.00 12.74 0.41 5.17 5.85 7.96 2.33 15.88 8.38 11.89
5 2024-02-03 9.34 11.51 11.28 0.76 0.03 23.66 15.78 19.15 1.48 0.28 0.01 14.84 0.41 5.77 5.91 7.15 2.19 16.33 8.77 12.14
6 2024-02-10 8.79 11.88 10.37 0.67 0.04 23.36 15.68 18.80 1.74 0.34 0.01 16.23 0.44 6.22 5.21 5.78 2.10 15.79 7.98 12.32
7 2024-02-17 8.12 11.79 9.43 0.57 0.02 24.22 15.48 18.53 2.18 0.29 0.00 17.02 0.35 6.56 4.49 5.13 2.16 15.53 8.42 11.89
8 2024-02-24 7.49 11.73 8.01 0.57 0.06 28.62 12.42 18.57 3.17 0.49 0.02 16.79 0.45 6.61 4.78 4.53 2.12 15.47 8.04 11.28
9 2024-03-02 7.03 11.18 6.72 0.63 0.12 29.30 11.04 18.13 4.03 0.70 0.00 15.45 0.74 6.25 3.79 3.70 2.50 15.62 7.59 10.52
10 2024-03-09 6.24 11.41 5.55 0.63 0.16 29.65 8.51 16.84 5.12 0.77 0.00 14.86 0.81 6.42 3.64 2.80 3.10 14.97 6.92 9.92
11 2024-03-16 6.13 11.58 4.36 0.52 0.26 24.27 6.74 14.55 5.42 1.15 0.01 13.11 1.05 6.86 3.18 2.18 3.71 12.11 6.29 9.33
12 2024-03-23 5.17 11.28 3.30 0.59 0.86 20.91 5.51 12.68 5.82 1.29 0.00 11.53 1.51 7.43 2.49 1.98 3.79 10.70 6.46 8.59
13 2024-03-30 4.85 10.85 2.71 0.64 1.52 18.09 4.67 11.66 6.60 1.72 0.00 12.55 1.98 7.90 2.32 1.63 4.00 9.32 6.45 8.11
14 2024-04-06 4.72 10.91 2.28 0.38 2.48 24.10 3.21 11.23 6.76 1.84 0.01 13.12 2.14 7.89 2.08 1.33 4.05 8.09 6.06 6.91
15 2024-04-13 4.91 11.37 1.80 0.59 3.84 17.75 2.18 8.72 6.02 1.92 0.02 12.22 2.00 7.55 1.79 1.40 3.46 7.73 5.34 6.34
16 2024-04-20 4.81 10.93 1.34 0.52 6.98 13.67 2.13 6.80 5.05 1.86 0.01 11.94 2.56 7.68 1.67 1.31 2.97 6.64 4.40 5.65
17 2024-04-27 5.48 10.09 1.15 0.48 9.67 11.31 1.28 5.34 4.71 1.90 0.01 12.18 2.94 7.49 1.42 1.14 2.84 5.79 3.89 4.80
Figure 2: Positive tests (%) of other respiratory viruses reported by participating laboratories in Canada by surveillance week compared to average and range from 2014-2015 to 2019-2020 season
Figure 2

Shaded area represents the maximum and minimum % of respiratory virus tests positive reported by week from seasons 2014-2015 to 2019-2020

Note: Changes to testing practices during the COVID-19 pandemic may cause substantial changes to indicator estimates from previous years. Collection of laboratory testing practice meta-data to understand these changes is ongoing. Interpret trends with caution.

Note: Data from week 11 of the 2019-2020 season onwards are excluded from the historical comparison due to the COVID-19 pandemic.

Note: % Tests Positive scale changes across the dashed line

Figure 2: Positive tests (%) of other respiratory viruses reported by participating laboratories in Canada by surveillance week compared to average and range from 2014-2015 to 2019-2020 season
Week Week end 2023-2024 EV/RV% 2022-2023 EV/RV% 2021-2022 EV/RV% Max EV/RV% Base Min EV/RV% Base Av EV/RV% Base 2023-2024 HPIV% 2022-2023 HPIV% 2021-2022 HPIV% Max HPIV% Base Min HPIV% Base Av HPIV% Base 2023-2024 ADV% 2022-2023 ADV% 2021-2022 ADV% Max ADV% Base Min ADV% Base Av ADV% Base 2023-2024 HMPV% 2022-2023 HMPV% 2021-2022 HMPV% Max HMPV% Base Min HMPV% Base Av HMPV% Base 2023-2024 HCoV% 2022-2023 HCoV% 2021-2022 HCoV% Max HCoV% Base Min HCoV% Base Av HCoV% Base
35 2023-09-02 12.50 15.47 21.96 27.19 22.44 24.71 1.99 2.80 5.99 3.16 1.15 2.44 1.62 2.28 1.18 1.74 0.99 1.43 0.34 1.80 0.23 2.04 0.10 0.78 0.28 0.53 1.05 0.76 0.18 0.45
36 2023-09-09 14.85 16.22 18.59 30.69 23.30 26.31 1.49 3.21 4.93 3.31 1.35 2.32 1.52 2.18 1.15 2.85 1.42 1.87 0.39 1.81 0.24 0.84 0.10 0.48 0.42 0.38 0.62 0.38 0.12 0.22
37 2023-09-16 18.29 21.73 27.46 33.58 27.74 31.69 1.60 3.02 5.97 3.26 1.65 2.40 1.47 2.10 0.81 2.44 1.38 1.86 0.39 1.38 0.17 1.61 0.00 0.51 0.23 0.28 0.44 0.56 0.00 0.26
38 2023-09-23 20.25 23.50 33.19 39.57 32.80 35.83 1.77 2.42 4.73 2.87 1.92 2.33 0.93 1.58 0.82 2.04 1.11 1.63 0.38 1.61 0.37 1.43 0.06 0.48 0.46 0.32 0.67 1.36 0.06 0.43
39 2023-09-30 18.52 22.89 30.01 40.59 34.87 37.68 1.32 3.09 8.12 3.01 1.70 2.24 1.15 2.21 1.14 2.27 1.04 1.66 0.51 1.43 0.17 0.72 0.05 0.29 0.28 0.59 0.62 0.66 0.07 0.45
40 2023-10-07 17.45 19.32 26.26 41.29 33.00 35.43 1.34 3.69 8.19 3.28 1.90 2.43 1.41 1.79 1.31 2.25 1.39 1.82 0.32 1.49 0.16 0.92 0.05 0.34 0.26 0.93 0.57 1.08 0.22 0.59
41 2023-10-14 15.74 16.70 22.91 33.62 26.94 29.93 1.28 3.52 10.46 3.70 1.96 2.75 1.38 2.03 1.37 1.91 1.28 1.70 0.37 1.66 0.20 0.95 0.04 0.46 0.32 0.99 1.69 0.70 0.00 0.34
42 2023-10-21 13.12 12.95 22.16 32.62 24.54 27.86 1.59 4.22 10.01 3.89 2.64 3.21 1.43 1.65 2.54 2.39 1.47 1.86 0.46 1.58 0.15 0.89 0.15 0.40 0.17 1.16 1.07 1.18 0.20 0.49
43 2023-10-28 12.52 11.05 19.64 28.73 21.67 24.95 1.21 4.41 9.38 3.98 3.18 3.54 1.48 1.79 1.15 2.42 1.63 1.96 0.46 1.79 0.36 1.64 0.12 0.58 0.38 1.86 1.05 2.35 0.27 0.75
44 2023-11-04 10.83 10.23 21.45 23.82 16.75 21.38 1.44 4.14 10.28 4.81 2.94 3.72 1.76 2.02 1.42 2.88 1.18 2.21 0.55 1.79 0.77 1.08 0.23 0.48 0.37 2.54 2.21 2.59 0.21 0.88
45 2023-11-11 10.70 7.77 22.39 23.08 15.17 20.56 1.65 3.90 9.97 5.42 2.53 4.01 1.45 1.99 1.63 2.68 2.02 2.42 0.60 2.06 0.64 1.30 0.04 0.77 0.42 3.00 2.57 2.74 0.52 0.96
46 2023-11-18 8.64 6.93 21.37 22.77 15.28 19.24 1.39 3.97 8.29 5.72 1.62 4.14 2.03 1.87 2.51 2.90 1.99 2.52 0.79 1.89 0.99 1.43 0.18 0.81 0.65 3.54 2.99 3.32 0.46 1.25
47 2023-11-25 7.62 4.88 18.54 20.84 12.15 16.09 1.55 3.63 7.04 7.00 2.36 4.72 1.90 1.89 1.94 2.95 1.83 2.35 1.00 1.78 1.01 2.02 0.09 0.90 0.65 3.24 3.90 3.26 0.37 1.25
48 2023-12-02 6.79 4.74 16.64 16.72 12.69 13.84 1.51 3.04 5.78 6.14 3.03 4.18 2.15 1.87 1.89 3.34 1.66 2.49 0.91 1.86 1.48 1.94 0.31 1.09 0.76 3.94 4.94 4.30 1.00 2.04
49 2023-12-09 6.00 4.09 14.57 16.32 10.72 13.07 1.39 3.03 3.97 5.65 2.94 4.19 1.83 1.68 2.48 3.03 1.84 2.50 1.20 1.93 1.22 2.80 0.49 1.48 1.12 4.48 6.58 5.19 0.84 2.53
50 2023-12-16 5.90 4.58 12.40 13.85 8.43 10.91 1.46 2.98 3.23 5.95 2.54 4.22 2.00 2.29 2.72 3.13 1.49 2.42 1.31 1.92 1.08 3.32 0.46 1.68 1.47 5.13 7.26 6.04 1.54 3.16
51 2023-12-23 5.56 4.49 9.95 14.18 8.81 10.48 1.35 3.09 3.01 6.71 2.94 3.95 1.55 1.76 2.54 3.20 1.36 2.04 1.59 2.23 1.20 4.39 0.37 2.47 1.77 5.28 8.11 6.68 1.87 3.72
52 2023-12-30 4.71 4.50 7.71 14.41 6.24 9.26 1.35 3.32 2.13 5.08 2.87 3.75 1.76 1.80 1.92 2.59 1.20 1.76 1.76 2.75 1.00 3.81 0.41 2.49 2.48 4.73 10.33 6.73 2.78 4.73
1 2024-01-06 4.80 4.19 5.71 11.09 4.36 7.42 1.48 3.63 1.84 5.08 2.68 3.34 1.48 1.88 1.84 2.67 0.85 1.54 2.20 2.94 0.72 4.45 0.28 2.74 3.06 4.40 9.27 7.77 3.07 5.16
2 2024-01-13 4.43 4.71 3.98 9.55 4.31 6.79 1.17 3.24 1.19 4.12 2.46 3.05 1.25 1.87 1.13 2.15 0.87 1.37 1.64 2.61 0.38 4.76 0.42 2.69 3.19 4.01 7.46 7.89 2.84 5.45
3 2024-01-20 4.59 6.68 3.12 8.42 4.44 6.01 1.08 2.92 0.76 3.25 2.59 2.82 1.11 1.97 1.34 2.10 1.15 1.45 2.20 2.56 0.24 5.56 0.47 3.18 3.89 3.46 4.97 7.90 4.17 6.11
4 2024-01-27 4.37 8.22 2.60 9.04 4.89 6.41 1.16 2.78 0.64 3.12 1.77 2.55 1.56 2.35 1.18 1.83 1.11 1.49 2.11 2.71 0.23 5.19 0.55 3.05 5.19 2.63 3.92 7.86 3.79 6.09
5 2024-02-03 5.02 8.94 3.02 9.79 6.06 6.94 1.45 2.70 0.48 3.48 1.70 2.39 1.62 2.44 1.57 1.93 1.36 1.62 2.27 2.96 0.25 5.70 0.58 3.34 5.10 3.20 2.83 8.49 4.55 6.84
6 2024-02-10 6.26 9.97 3.86 9.89 6.16 6.98 1.56 2.68 0.51 2.89 1.57 2.19 1.84 2.14 1.44 1.74 1.25 1.51 2.54 3.73 0.42 5.57 0.65 3.48 6.80 2.64 3.01 8.57 3.48 6.75
7 2024-02-17 6.18 9.87 4.46 8.95 6.00 7.04 1.54 2.63 0.44 3.20 1.42 2.11 1.22 2.31 1.52 1.61 1.30 1.51 2.82 4.41 0.44 6.05 1.45 3.96 7.73 3.14 3.24 8.02 4.35 6.52
8 2024-02-24 6.21 9.55 6.31 8.35 5.20 6.94 1.84 2.55 0.73 3.21 1.31 2.25 1.30 2.86 1.85 2.00 1.38 1.66 3.15 4.29 0.53 5.74 1.19 4.19 8.28 3.07 3.67 8.29 4.21 6.61
9 2024-03-02 6.48 9.77 7.80 9.03 5.73 7.75 2.40 3.07 0.60 3.35 1.41 2.44 1.65 2.75 1.90 1.92 1.09 1.40 3.92 4.72 0.40 6.42 1.87 4.46 7.09 3.41 3.32 8.01 5.09 6.87
10 2024-03-09 6.52 9.42 8.24 10.16 5.53 8.08 2.74 2.77 0.68 4.18 1.19 2.69 1.31 2.79 1.98 2.23 1.50 1.78 4.57 5.05 0.51 6.74 2.26 4.94 6.84 3.71 3.86 8.34 4.28 6.99
11 2024-03-16 6.67 8.77 8.97 9.45 7.15 8.22 3.43 3.48 0.66 4.58 1.35 3.00 1.29 2.39 1.88 2.32 1.23 1.69 4.88 5.07 0.59 7.94 2.52 4.87 7.18 3.70 3.25 8.02 4.35 6.23
12 2024-03-23 6.63 9.31 9.52 10.26 8.58 9.63 4.10 2.98 1.05 4.95 1.26 3.33 1.42 2.60 1.71 2.13 1.82 1.96 4.63 5.40 0.77 6.69 3.65 5.35 6.79 4.50 4.38 6.99 3.95 5.67
13 2024-03-30 7.36 8.35 8.49 12.58 7.69 10.26 4.52 3.17 1.39 5.21 1.48 3.68 1.63 2.51 2.30 2.12 1.37 1.70 5.02 4.79 1.28 6.90 3.95 5.27 6.02 4.04 4.45 8.16 3.65 5.46
14 2024-04-06 7.54 8.95 9.25 13.59 8.46 12.00 4.52 3.45 1.18 6.26 1.67 4.30 1.58 2.56 1.74 2.31 1.50 1.86 5.14 4.61 1.45 7.70 4.14 5.99 6.77 4.51 4.24 7.79 3.84 4.86
15 2024-04-13 8.51 9.16 9.14 14.59 9.49 13.17 5.96 3.83 1.35 6.94 1.97 4.61 1.39 3.04 1.71 2.62 1.64 2.12 4.64 4.09 1.52 7.47 3.81 6.11 5.46 3.56 4.97 5.52 3.23 4.24
16 2024-04-20 9.43 8.67 8.20 16.10 10.84 13.77 5.49 3.89 2.19 7.88 1.97 5.20 1.53 2.79 1.84 3.21 1.85 2.32 5.21 3.93 2.18 7.16 3.71 6.04 5.00 3.64 4.91 4.99 3.51 4.32
17 2024-04-27 11.07 9.88 7.74 18.29 13.64 16.16 6.60 4.07 1.78 8.67 2.07 6.01 1.35 2.63 1.37 2.54 1.70 2.10 4.34 3.53 2.40 6.58 4.68 5.77 4.75 4.36 4.91 4.11 2.54 3.37

Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) tests

Figure 3: Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) tests (%) in Canada by region by surveillance week
Figure 3

Note: Differences in positivity between jurisdictions can reflect differences in testing practices. Please interpret with caution.

Figure 3: Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) tests (%) in Canada by region by surveillance week
Week Week end Can Tests SARS-CoV-2% Atl Tests SARS-CoV-2% QC Tests SARS-CoV-2% ON Tests SARS-CoV-2% Pr Tests SARS-CoV-2% BC Tests SARS-CoV-2% Terr Tests SARS-CoV-2%
35 2023-09-02 25656 14.40 2110 16.92 9351 16.30 6230 12.39 5192 10.59 2651 18.03 122 11.48
36 2023-09-09 28237 15.92 2346 20.20 10215 17.37 6939 15.46 5968 11.90 2640 16.70 129 17.05
37 2023-09-16 31790 16.49 2567 18.62 11678 18.11 7337 15.66 6948 12.12 3111 20.64 149 10.07
38 2023-09-23 36264 18.60 2775 18.38 13455 20.48 8514 18.38 7969 14.23 3377 22.59 174 10.34
39 2023-09-30 40587 19.59 3126 22.65 15431 21.30 9291 17.86 8658 15.65 3895 23.59 186 12.90
40 2023-10-07 42173 19.81 3544 24.41 15684 22.19 9349 17.61 9198 15.96 4202 20.75 196 12.24
41 2023-10-14 38462 17.55 3583 20.74 12605 18.30 8426 15.27 9624 16.76 4047 19.13 177 14.69
42 2023-10-21 39350 17.78 3493 19.70 12590 18.63 9300 16.86 10040 17.16 3737 17.13 190 17.37
43 2023-10-28 37286 17.89 3095 17.74 12003 18.29 9276 19.35 9450 17.05 3262 14.87 200 17.50
44 2023-11-04 38183 17.74 2965 17.91 11975 18.42 9060 17.09 10341 18.12 3648 15.98 194 15.98
45 2023-11-11 38722 18.17 3122 20.12 11815 19.90 9607 18.24 10448 16.98 3545 14.41 185 10.81
46 2023-11-18 41432 18.80 3186 22.47 13182 20.21 10470 20.36 11134 16.80 3245 12.14 215 5.12
47 2023-11-25 42304 19.31 3490 22.35 12938 21.52 10880 22.17 11422 15.57 3385 11.96 189 6.35
48 2023-12-02 44713 18.03 3648 21.98 14100 22.18 11174 20.06 11903 12.58 3639 10.31 249 7.63
49 2023-12-09 46876 17.53 3654 20.17 14467 22.78 11644 18.67 12452 12.41 4272 10.30 387 6.98
50 2023-12-16 48215 17.78 4065 18.60 15835 23.97 12142 18.69 12089 11.16 3746 10.25 338 6.21
51 2023-12-23 48372 16.81 4353 15.81 16682 22.12 11548 18.73 11472 9.91 3952 10.55 365 9.86
52 2023-12-30 46997 15.35 4234 14.67 15739 19.65 11522 17.68 10314 9.95 4930 8.64 258 5.04
1 2024-01-06 48060 14.51 4471 12.68 15874 17.71 11545 16.83 10577 10.62 5300 9.57 293 7.17
2 2024-01-13 44189 13.03 4333 11.98 13921 14.75 11346 14.29 9475 9.91 4862 12.48 252 6.35
3 2024-01-20 38190 11.35 3750 10.64 11599 11.60 9942 12.87 8591 9.92 4141 10.92 167 4.19
4 2024-01-27 37089 10.19 3784 9.49 11052 9.79 9238 11.40 8358 8.95 4459 11.89 198 4.04
5 2024-02-03 36771 9.34 3908 8.75 10995 8.58 9011 9.75 8265 9.56 4420 10.63 172 5.81
6 2024-02-10 34740 8.79 3499 8.80 10544 7.33 8519 8.48 8042 10.12 3940 10.74 196 7.14
7 2024-02-17 35098 8.12 3185 8.92 11071 6.64 8901 7.48 8021 9.21 3722 11.04 198 7.07
8 2024-02-24 34145 7.49 3098 8.23 10925 5.10 8077 6.82 7890 8.66 3872 12.45 283 10.25
9 2024-03-02 33779 7.03 2992 7.02 10468 4.88 8299 6.21 7831 8.42 3972 11.76 217 6.45
10 2024-03-09 32484 6.24 3112 7.42 9479 3.46 7884 4.67 7845 7.71 3860 12.31 304 6.25
11 2024-03-16 32416 6.13 3346 6.90 9376 3.03 7702 5.47 7795 7.36 3904 11.63 293 7.51
12 2024-03-23 30991 5.17 3206 7.74 8609 2.25 7772 4.26 7547 6.15 3552 9.80 305 5.25
13 2024-03-30 29569 4.85 2831 6.85 8537 2.69 6962 4.28 7517 4.98 3450 9.25 272 7.35
14 2024-04-06 29672 4.72 2964 6.01 8696 2.38 7100 4.63 7336 4.43 3303 10.54 273 5.13
15 2024-04-13 29332 4.91 3243 6.38 8694 2.29 6878 5.18 7260 5.33 2987 9.24 270 5.93
16 2024-04-20 27217 4.81 2970 6.50 7913 2.39 6469 4.61 6614 5.22 3017 9.02 234 5.56
17 2024-04-27 25869 5.48 2790 7.53 7723 3.55 6049 5.52 6283 5.17 2970 9.16 54 5.56

Positive influenza (Flu) tests

Figure 4: Positive influenza (Flu) tests (%) in Canada by region by surveillance week
Figure 4
Figure 4: Positive influenza (Flu) tests (%) in Canada by region by surveillance week
Week Week end Can Tests Can A% Can B% Atl Tests Atl A% Atl B% QC Tests QC A% QC B% ON Tests ON A% ON B% Pr Tests Pr A% Pr B% BC Tests BC A% BC B% Terr Tests Terr A% Terr B%
35 2023-09-02 14543 0.69 0.06 984 0.00 0.00 3339 0.24 0.15 4324 0.39 0.09 3654 0.57 0.00 2158 2.46 0.00 84 2.38 0.00
36 2023-09-09 15430 0.43 0.06 1047 0.00 0.00 3649 0.19 0.03 4455 0.31 0.09 4069 0.37 0.05 2117 1.46 0.09 93 0.00 0.00
37 2023-09-16 18035 0.48 0.03 1216 0.08 0.00 4174 0.41 0.07 5145 0.29 0.00 4705 0.40 0.04 2703 1.29 0.04 92 0.00 0.00
38 2023-09-23 20121 0.51 0.02 1388 0.07 0.00 4734 0.30 0.00 5652 0.21 0.05 5325 0.62 0.02 2928 1.47 0.00 94 0.00 0.00
39 2023-09-30 21530 0.51 0.09 1403 0.14 0.07 4847 0.21 0.08 6186 0.37 0.11 5371 0.48 0.11 3598 1.36 0.06 125 0.00 0.00
40 2023-10-07 23658 0.64 0.05 1775 0.34 0.00 5628 0.37 0.04 6456 0.31 0.00 5803 0.74 0.16 3878 1.60 0.05 118 0.00 0.00
41 2023-10-14 23208 0.49 0.03 1938 0.57 0.00 4978 0.22 0.06 6283 0.30 0.00 6067 0.73 0.05 3828 0.73 0.03 114 0.00 0.00
42 2023-10-21 24067 0.73 0.08 2029 0.69 0.05 5110 0.37 0.02 6834 0.47 0.07 6370 1.13 0.13 3599 1.06 0.11 125 0.00 0.00
43 2023-10-28 23268 1.16 0.10 1979 0.96 0.00 5450 0.64 0.11 6814 0.50 0.06 5872 2.33 0.17 3039 1.45 0.10 114 0.88 0.00
44 2023-11-04 25317 2.63 0.10 1914 1.25 0.05 5705 0.63 0.07 6996 0.51 0.06 6996 6.80 0.17 3562 2.58 0.11 144 2.08 0.00
45 2023-11-11 26520 4.93 0.14 2069 2.03 0.14 5970 0.84 0.07 7240 1.22 0.07 7656 12.87 0.26 3460 3.96 0.14 125 4.00 0.00
46 2023-11-18 28583 7.24 0.16 2219 3.11 0.09 6454 1.36 0.09 7797 2.68 0.15 8734 18.14 0.26 3258 3.59 0.12 121 2.48 0.00
47 2023-11-25 29879 8.81 0.12 2521 4.60 0.04 6561 2.04 0.06 8070 2.69 0.02 9078 21.15 0.28 3517 6.43 0.09 132 15.15 0.00
48 2023-12-02 32859 11.62 0.26 2743 4.89 0.11 7199 3.78 0.15 8447 4.45 0.17 10485 24.44 0.47 3836 10.79 0.21 149 38.93 0.00
49 2023-12-09 34573 14.74 0.29 2817 9.66 0.11 8141 7.14 0.12 8466 7.08 0.21 11298 26.93 0.57 3590 13.12 0.11 261 49.81 0.00
50 2023-12-16 38612 15.32 0.36 3363 12.73 0.09 10087 11.63 0.12 9265 8.47 0.41 11116 24.56 0.71 4496 14.23 0.16 285 56.49 0.00
51 2023-12-23 40839 16.78 0.45 3820 19.08 0.31 12090 15.38 0.12 9246 11.39 0.51 10656 21.67 0.91 4747 16.64 0.29 280 40.36 0.00
52 2023-12-30 42482 18.18 0.52 3874 20.99 0.36 13501 19.37 0.07 9830 15.02 0.63 9720 17.61 1.26 5352 18.89 0.24 205 46.34 0.00
1 2024-01-06 43260 14.49 0.60 4132 17.91 0.36 13858 17.30 0.22 9869 11.67 0.54 9519 11.29 1.45 5634 14.55 0.39 248 33.47 0.00
2 2024-01-13 40233 11.16 0.56 3864 15.79 0.31 12702 15.32 0.19 9980 9.08 0.59 8491 5.94 1.33 4963 9.83 0.32 233 15.88 0.43
3 2024-01-20 35213 10.27 0.79 3422 14.23 0.94 11099 14.72 0.36 8812 8.65 0.45 7343 4.09 2.07 4397 9.71 0.34 140 5.71 0.00
4 2024-01-27 35174 11.10 1.08 3461 14.59 1.36 11277 17.65 0.28 8274 8.87 0.59 7261 2.31 2.91 4722 10.67 0.87 179 2.79 0.00
5 2024-02-03 35522 11.28 1.48 3608 14.61 2.02 12036 19.09 0.61 7738 8.30 1.02 7380 1.91 3.20 4626 8.58 1.25 134 2.24 2.99
6 2024-02-10 33997 10.37 1.74 3230 12.38 1.98 11857 18.01 1.05 7402 7.23 1.50 7230 1.77 3.28 4119 7.99 1.24 159 0.00 3.14
7 2024-02-17 33917 9.43 2.18 2882 8.78 2.74 11966 16.61 1.53 7689 7.40 1.87 7229 1.58 3.62 4006 6.81 1.40 145 1.38 11.03
8 2024-02-24 33294 8.01 3.17 2914 7.41 2.88 11748 14.22 2.63 7189 6.37 2.35 7030 1.07 5.65 4225 5.80 1.82 188 0.53 9.57
9 2024-03-02 32543 6.72 4.03 2834 7.13 4.13 11373 10.92 4.28 7133 5.72 2.90 6806 1.59 5.80 4231 5.25 1.96 166 2.41 13.25
10 2024-03-09 31700 5.55 5.12 2826 7.01 6.37 10775 8.84 5.27 6873 4.89 4.09 6835 1.29 6.63 4160 4.33 2.81 231 2.16 9.96
11 2024-03-16 30555 4.36 5.42 3170 6.03 4.95 9835 6.05 5.63 6948 3.94 3.80 6297 1.46 8.15 4077 4.42 3.63 228 0.44 8.77
12 2024-03-23 30633 3.30 5.82 3097 4.91 5.97 9578 3.82 5.54 6960 3.30 3.39 6918 1.45 9.35 3820 4.08 3.46 260 3.08 19.62
13 2024-03-30 29850 2.71 6.60 2909 3.82 7.25 9561 3.50 6.66 6384 2.44 3.29 7087 1.30 10.50 3681 3.07 3.15 228 0.88 23.25
14 2024-04-06 30169 2.28 6.76 2945 2.51 7.13 9682 2.55 8.14 6699 2.70 3.43 7167 1.48 9.24 3455 2.26 3.01 221 0.45 20.81
15 2024-04-13 29480 1.80 6.02 3049 2.76 5.02 9725 1.96 7.98 6251 1.70 3.47 7115 1.14 7.45 3106 2.03 2.29 234 2.56 11.97
16 2024-04-20 26284 1.34 5.05 2878 2.50 4.66 8655 1.06 6.98 5976 1.59 2.34 6264 0.64 6.11 2320 2.28 2.28 191 0.00 7.33
17 2024-04-27 25975 1.15 4.71 2668 1.99 3.37 8488 0.79 6.49 5478 1.02 1.83 6276 0.59 6.39 3018 2.88 2.58 47 0.00 6.38

Positive respiratory syncytial virus (RSV) tests

Figure 5: Positive respiratory syncytial virus (RSV) tests (%) in Canada by region by surveillance week
Figure 5
Figure 5: Positive respiratory syncytial virus (RSV) tests (%) in Canada by region by surveillance week
Week Week end Can Tests RSV% Atl Tests RSV% QC Tests RSV% ON Tests RSV% Pr Tests RSV% BC Tests RSV% Terr Tests RSV%
35 2023-09-02 13610 0.58 969 0.00 2540 1.14 4324 0.81 3535 0.20 2158 0.32 84 1.19
36 2023-09-09 14361 0.71 1047 0.57 2750 1.64 4455 0.88 3915 0.18 2101 0.24 93 0.00
37 2023-09-16 16808 0.82 1201 0.25 3181 1.67 5138 1.01 4494 0.38 2702 0.41 92 1.09
38 2023-09-23 18782 1.15 1381 1.30 3652 2.27 5652 1.43 5075 0.37 2928 0.51 94 0.00
39 2023-09-30 20217 1.14 1392 0.79 3788 2.38 6186 1.42 5128 0.43 3598 0.56 125 0.00
40 2023-10-07 22042 1.35 1761 0.28 4333 2.75 6456 1.95 5496 0.36 3878 0.72 118 0.00
41 2023-10-14 21748 1.80 1927 0.83 3897 3.70 6281 2.48 5701 0.63 3828 1.04 114 0.00
42 2023-10-21 22479 2.38 2015 0.69 3889 4.78 6834 3.72 6017 0.58 3599 1.25 125 0.00
43 2023-10-28 21745 3.25 1970 1.78 4234 6.24 6814 4.21 5574 1.22 3039 1.74 114 0.00
44 2023-11-04 23657 4.07 1904 2.15 4506 6.88 6997 5.80 6544 1.79 3562 2.36 144 2.78
45 2023-11-11 24764 5.12 2058 2.77 4680 7.97 7241 7.62 7201 2.14 3459 3.58 125 6.40
46 2023-11-18 26517 5.85 2195 2.41 4910 10.14 7796 7.91 8237 2.87 3258 4.27 121 7.44
47 2023-11-25 27491 6.81 2363 4.70 4975 11.82 8068 8.66 8508 3.24 3445 5.28 132 11.36
48 2023-12-02 30258 6.99 2549 5.88 5533 11.46 8447 8.49 9797 3.57 3783 6.66 149 8.72
49 2023-12-09 31232 7.38 2665 7.69 5930 11.11 8465 7.40 10436 4.53 3475 9.35 261 6.90
50 2023-12-16 34607 7.26 3004 8.46 7537 9.73 9261 5.99 10173 5.17 4347 9.50 285 10.53
51 2023-12-23 35988 7.29 3258 9.45 8774 9.14 9244 4.64 9820 6.47 4615 9.36 277 6.14
52 2023-12-30 37639 7.41 3431 8.57 9849 7.53 9829 4.62 9130 8.48 5196 9.49 204 15.69
1 2024-01-06 37934 7.10 3630 9.12 9953 7.31 9871 4.03 8828 7.56 5404 9.88 248 13.71
2 2024-01-13 35286 6.26 3383 9.16 9029 6.14 9975 3.27 7930 7.65 4737 7.81 232 17.67
3 2024-01-20 30827 6.13 2936 9.91 7837 5.82 8808 2.99 6892 8.21 4214 6.76 140 20.00
4 2024-01-27 30616 5.85 3067 10.01 7786 5.48 8260 2.62 6810 6.83 4514 7.35 179 24.02
5 2024-02-03 30446 5.91 3235 9.52 7985 5.07 7736 2.12 6932 8.18 4426 7.32 132 24.24
6 2024-02-10 29075 5.21 2949 10.07 7832 4.60 7404 1.62 6794 6.74 3937 6.27 159 20.75
7 2024-02-17 29028 4.49 2610 8.12 7969 4.56 7689 1.16 6769 6.04 3846 4.91 145 27.59
8 2024-02-24 28917 4.78 2715 7.18 8169 4.55 7189 1.14 6600 6.83 4057 5.57 187 29.41
9 2024-03-02 28626 3.79 2712 6.42 8150 3.99 7134 1.23 6368 4.35 4096 4.32 166 26.51
10 2024-03-09 27634 3.64 2700 6.52 7381 4.09 6873 0.89 6407 3.59 4043 3.96 230 33.91
11 2024-03-16 26585 3.18 3019 5.13 6559 3.58 6948 0.88 5896 3.43 3935 3.66 228 21.05
12 2024-03-23 26748 2.49 2944 3.53 6480 3.33 6961 0.49 6396 2.94 3707 2.81 260 7.69
13 2024-03-30 26067 2.32 2642 3.14 6609 3.78 6384 0.58 6649 2.20 3555 1.83 228 10.96
14 2024-04-06 26397 2.08 2685 2.76 6714 3.07 6704 0.69 6709 2.04 3364 2.02 221 8.60
15 2024-04-13 25526 1.79 2716 2.06 6642 2.57 6232 0.64 6679 1.99 3023 1.26 234 7.69
16 2024-04-20 22889 1.67 2470 1.74 6134 2.51 5976 0.67 5880 1.56 2238 1.65 191 8.90
17 2024-04-27 22659 1.42 2486 1.13 5852 2.58 5478 0.66 5895 1.27 2901 1.03 47 2.13

Positive human parainfluenza virus (HPIV) tests

Figure 6: Positive human parainfluenza virus (HPIV) tests (%) in Canada by region by surveillance week
Figure 6
Figure 6: Positive human parainfluenza virus (HPIV) tests (%) in Canada by region by surveillance week
Week Week End Can Tests HPIV% Atl Tests HPIV% QC Tests HPIV% ON Tests HPIV% Pr Tests HPIV% BC Tests HPIV%
35 2023-09-02 6234 1.99 362 1.38 847 3.90 3406 1.85 984 1.02 635 2.05
36 2023-09-09 6321 1.49 355 1.69 868 2.19 3420 1.43 1133 0.97 545 1.65
37 2023-09-16 7419 1.60 401 2.49 1053 2.18 3886 1.34 1326 1.06 753 2.66
38 2023-09-23 8139 1.77 430 2.79 1122 2.85 4366 1.74 1445 0.90 776 1.42
39 2023-09-30 8627 1.32 401 1.25 1117 1.88 4948 1.33 1415 1.06 746 0.94
40 2023-10-07 8791 1.34 467 3.43 1178 2.04 4850 1.20 1541 0.39 755 1.85
41 2023-10-14 8879 1.28 491 1.63 1094 1.37 4898 1.16 1638 1.04 758 2.24
42 2023-10-21 9281 1.59 498 2.21 1050 1.52 5293 1.51 1707 1.46 733 2.18
43 2023-10-28 9085 1.21 474 1.48 1063 1.98 5223 0.96 1656 0.85 669 2.69
44 2023-11-04 9496 1.44 492 2.24 1067 2.06 5215 1.00 1938 1.24 784 3.57
45 2023-11-11 9826 1.65 467 2.78 1257 1.83 5242 1.11 2076 1.35 784 5.10
46 2023-11-18 10441 1.39 500 2.20 1426 1.33 5505 1.24 2191 0.87 819 3.42
47 2023-11-25 10872 1.55 620 1.77 1442 1.04 5708 1.47 2195 1.18 907 3.53
48 2023-12-02 11676 1.51 676 2.37 1587 1.32 5967 1.39 2463 1.10 983 2.95
49 2023-12-09 11621 1.39 668 1.65 1630 1.10 6040 1.44 2537 1.14 746 2.14
50 2023-12-16 12631 1.46 730 1.92 1664 0.72 6696 1.36 2459 1.46 1082 2.96
51 2023-12-23 12648 1.35 768 1.56 1857 0.54 6421 1.46 2408 0.79 1194 3.02
52 2023-12-30 12871 1.35 709 1.55 2004 0.85 6809 1.29 2168 0.97 1181 3.13
1 2024-01-06 13434 1.48 812 1.72 2046 0.59 7059 1.60 2288 1.18 1229 2.69
2 2024-01-13 13182 1.17 924 1.73 1882 0.53 7137 1.16 2111 1.09 1128 1.95
3 2024-01-20 11423 1.08 704 1.28 1843 0.49 6099 1.18 1774 1.13 1003 1.30
4 2024-01-27 11007 1.16 834 0.72 1793 0.28 5677 1.41 1707 1.41 996 1.31
5 2024-02-03 11179 1.45 794 1.26 1833 0.55 5534 1.66 1933 1.86 1085 1.29
6 2024-02-10 10714 1.56 782 0.77 1832 0.49 5194 1.73 1937 1.55 969 3.30
7 2024-02-17 10731 1.54 619 1.29 1863 0.54 5369 1.42 1898 2.32 982 2.75
8 2024-02-24 10455 1.84 632 0.47 1825 1.59 5114 1.82 1905 2.20 979 2.55
9 2024-03-02 10419 2.40 587 1.02 1800 1.11 5157 2.83 1793 2.90 1082 2.40
10 2024-03-09 9897 2.74 483 2.69 1681 1.84 4982 2.65 1749 3.66 1002 3.09
11 2024-03-16 9750 3.43 626 1.92 1433 1.88 5071 3.45 1624 4.99 996 3.92
12 2024-03-23 9990 4.10 592 3.21 1588 2.33 5076 4.10 1810 4.92 924 6.17
13 2024-03-30 9394 4.52 581 3.96 1540 3.70 4578 4.59 1768 4.69 927 5.61
14 2024-04-06 9666 4.52 597 4.69 1640 3.48 4695 4.35 1854 5.50 880 5.23
15 2024-04-13 9502 5.96 626 7.35 1621 4.32 4485 5.11 1927 8.46 843 6.88
16 2024-04-20 8919 5.49 568 7.75 1608 3.11 4269 5.65 1698 5.77 776 7.35
17 2024-04-27 8385 6.60 658 9.42 1594 5.08 3894 5.75 1558 7.77 681 9.54

Positive adenovirus (ADV) tests

Figure 7: Positive adenovirus (ADV) tests (%) in Canada by region by surveillance week
Figure 7
Figure 7: Positive adenovirus (ADV) tests (%) in Canada by region by surveillance week
Week Week End Can Tests ADV% Atl Tests ADV% QC Tests ADV% ON Tests ADV% Pr Tests ADV% BC Tests ADV%
35 2023-09-02 6238 1.62 362 1.93 851 2.70 3406 0.91 984 2.44 635 2.52
36 2023-09-09 6332 1.52 355 1.97 879 2.28 3420 0.82 1133 2.03 545 3.30
37 2023-09-16 7438 1.47 401 2.00 1071 2.43 3887 0.90 1326 1.96 753 1.86
38 2023-09-23 8149 0.93 429 1.17 1134 1.06 4365 0.62 1445 1.59 776 1.16
39 2023-09-30 8614 1.15 401 1.00 1129 2.04 4923 0.69 1415 1.63 746 2.01
40 2023-10-07 8809 1.41 467 2.36 1195 2.85 4851 0.66 1541 1.69 755 2.78
41 2023-10-14 8913 1.38 491 1.63 1111 3.42 4915 0.75 1638 1.47 758 2.11
42 2023-10-21 9286 1.43 498 1.20 1058 3.59 5292 0.76 1705 1.47 733 3.27
43 2023-10-28 9099 1.48 474 2.74 1077 3.62 5223 0.69 1656 1.63 669 2.99
44 2023-11-04 9514 1.76 492 2.03 1085 3.87 5215 1.04 1938 2.12 784 2.55
45 2023-11-11 9843 1.45 467 2.57 1274 2.98 5242 0.92 2076 1.64 784 1.40
46 2023-11-18 10452 2.03 500 4.60 1437 4.31 5505 0.94 2191 1.92 819 4.03
47 2023-11-25 10920 1.90 620 2.74 1461 3.97 5712 1.07 2194 1.50 911 3.84
48 2023-12-02 11737 2.15 676 3.25 1613 3.84 5967 1.36 2462 2.03 983 3.05
49 2023-12-09 11699 1.83 668 2.84 1652 3.75 6041 1.18 2537 1.26 746 3.62
50 2023-12-16 12719 2.00 730 2.19 1681 3.09 6696 1.78 2459 1.67 1082 2.40
51 2023-12-23 12035 1.55 768 1.82 1875 2.61 5726 0.89 2408 1.45 1194 3.02
52 2023-12-30 10983 1.76 709 2.12 2010 2.49 4852 0.80 2167 1.43 1181 4.74
1 2024-01-06 11675 1.48 812 1.11 2050 2.20 5219 0.75 2288 1.14 1229 4.15
2 2024-01-13 12078 1.25 924 1.52 1901 2.31 5943 0.59 2111 1.33 1126 2.49
3 2024-01-20 11461 1.11 704 1.56 1851 1.19 6091 0.64 1774 1.35 1003 2.89
4 2024-01-27 11062 1.56 834 2.88 1807 2.32 5675 0.78 1706 1.64 996 3.41
5 2024-02-03 11223 1.62 794 2.90 1841 2.55 5534 0.74 1933 1.55 1085 3.59
6 2024-02-10 10761 1.84 782 3.45 1852 2.59 5192 0.67 1935 1.45 969 5.88
7 2024-02-17 10779 1.22 619 1.29 1875 1.97 5369 0.60 1898 1.16 982 2.95
8 2024-02-24 10525 1.30 632 2.06 1837 2.01 5114 0.80 1905 0.89 979 2.96
9 2024-03-02 10484 1.65 587 4.26 1822 2.25 5157 1.01 1793 1.06 1082 2.87
10 2024-03-09 9989 1.31 483 1.86 1708 1.70 4982 0.78 1748 1.54 1002 2.30
11 2024-03-16 9808 1.29 626 1.44 1458 1.99 5072 0.79 1623 1.48 996 2.41
12 2024-03-23 10056 1.42 592 1.35 1614 1.49 5076 1.18 1809 1.00 924 3.46
13 2024-03-30 9442 1.63 581 2.07 1565 3.07 4578 0.87 1768 0.96 927 3.99
14 2024-04-06 9717 1.58 597 2.01 1657 3.02 4695 0.75 1853 1.03 880 4.20
15 2024-04-13 9547 1.39 626 2.08 1637 2.14 4485 1.11 1927 0.67 843 2.61
16 2024-04-20 8961 1.53 568 2.46 1627 2.27 4269 0.98 1698 1.12 771 3.11
17 2024-04-27 8420 1.35 658 2.28 1604 2.56 3894 0.72 1558 1.16 681 1.76

Positive human metapneumovirus (HMPV) tests

Figure 8: Positive human metapneumovirus (HMPV) tests (%) in Canada by region by surveillance week
Figure 8
Figure 8: Positive human metapneumovirus (HMPV) tests (%) in Canada by region by surveillance week
Week Week End Can Tests HMPV% Atl Tests HMPV% QC Tests HMPV% ON Tests HMPV% Pr Tests HMPV% BC Tests HMPV%
35 2023-09-02 6260 0.34 362 0.00 848 1.42 3407 0.21 1008 0.10 635 0.16
36 2023-09-09 6354 0.39 355 0.28 867 1.38 3423 0.20 1164 0.26 545 0.37
37 2023-09-16 7455 0.39 401 0.50 1053 0.76 3886 0.36 1362 0.07 753 0.53
38 2023-09-23 8194 0.38 429 0.00 1124 1.07 4365 0.14 1500 0.13 776 1.42
39 2023-09-30 8680 0.51 401 0.25 1118 0.89 4948 0.36 1467 0.34 746 1.34
40 2023-10-07 8828 0.32 457 0.44 1180 0.76 4853 0.14 1583 0.32 755 0.66
41 2023-10-14 8911 0.37 484 0.00 1096 1.00 4915 0.20 1658 0.12 758 1.32
42 2023-10-21 9321 0.46 498 0.20 1050 1.33 5298 0.32 1742 0.17 733 1.09
43 2023-10-28 9083 0.46 474 0.63 1066 1.41 5200 0.31 1674 0.18 669 0.75
44 2023-11-04 9519 0.55 492 0.20 1070 1.96 5218 0.17 1955 0.61 784 1.15
45 2023-11-11 9825 0.60 467 0.21 1256 2.15 5244 0.21 2074 0.63 784 0.89
46 2023-11-18 10315 0.79 500 0.40 1426 2.38 5505 0.36 2180 0.37 704 2.56
47 2023-11-25 10920 1.00 620 0.97 1442 2.57 5715 0.44 2210 0.59 911 2.96
48 2023-12-02 11703 0.91 676 0.89 1585 2.33 5965 0.47 2458 0.49 983 2.34
49 2023-12-09 11654 1.20 668 1.20 1635 2.39 6037 0.61 2513 1.95 746 0.94
50 2023-12-16 12683 1.31 730 1.78 1669 2.52 6707 0.63 2424 1.61 1082 2.77
51 2023-12-23 12659 1.59 768 1.56 1857 2.48 6415 0.78 2361 2.50 1194 2.85
52 2023-12-30 12881 1.76 709 2.26 2006 2.14 6809 0.98 2112 2.27 1181 4.49
1 2024-01-06 13431 2.20 812 1.85 2048 2.15 7012 1.07 2253 3.99 1229 5.78
2 2024-01-13 13207 1.64 924 1.41 1887 1.59 7144 0.62 2053 3.85 1126 4.26
3 2024-01-20 11426 2.20 704 1.56 1837 2.34 6103 1.23 1741 4.19 1003 4.79
4 2024-01-27 11026 2.11 834 1.92 1793 1.78 5678 1.13 1681 4.34 996 4.82
5 2024-02-03 11160 2.27 794 2.39 1831 2.46 5534 1.36 1880 2.87 1085 5.44
6 2024-02-10 10709 2.54 782 2.94 1828 2.63 5191 1.58 1908 2.62 969 7.12
7 2024-02-17 10757 2.82 619 2.91 1864 3.70 5376 2.14 1880 1.91 982 6.62
8 2024-02-24 10425 3.15 632 3.96 1825 2.79 5113 2.62 1818 2.31 979 7.76
9 2024-03-02 10398 3.92 587 3.75 1802 4.99 5157 3.37 1727 2.49 1082 7.30
10 2024-03-09 9915 4.57 483 5.38 1677 5.66 4991 4.49 1696 1.83 1002 7.58
11 2024-03-16 9742 4.88 626 7.67 1433 5.65 5084 4.76 1570 2.04 996 7.13
12 2024-03-23 9948 4.63 592 5.57 1589 5.48 5085 4.90 1717 1.75 924 6.71
13 2024-03-30 9329 5.02 581 7.40 1536 6.90 4589 4.73 1673 1.61 927 8.09
14 2024-04-06 9626 5.14 597 7.54 1639 7.02 4699 5.60 1776 1.35 880 5.34
15 2024-04-13 9417 4.64 626 5.43 1615 5.76 4489 5.57 1815 0.94 843 5.10
16 2024-04-20 8828 5.21 568 6.16 1609 7.58 4271 5.85 1581 1.14 771 4.54
17 2024-04-27 8314 4.34 658 5.17 1594 6.15 3896 4.44 1460 1.58 681 4.70

Positive enterovirus/rhinovirus (EV/RV) tests

Figure 9: Positive enterovirus/rhinovirus (EV/RV) tests (%) in Canada by region by surveillance week
Figure 9
Figure 9: Positive enterovirus/rhinovirus (EV/RV) tests (%) in Canada by region by surveillance week
Week Week End Can Tests EV/RV% Atl Tests EV/RV% QC Tests EV/RV% ON Tests EV/RV% Pr Tests EV/RV% BC Tests EV/RV%
35 2023-09-02 5345 12.50 362 20.72 - - 3409 10.44 966 14.60 608 15.79
36 2023-09-09 5414 14.85 355 25.35 - - 3423 12.80 1119 16.80 516 17.05
37 2023-09-16 6331 18.29 401 23.69 - - 3887 16.08 1314 22.37 722 19.81
38 2023-09-23 6991 20.25 429 27.51 - - 4365 17.11 1428 25.14 747 24.63
39 2023-09-30 7479 18.52 401 26.43 - - 4948 15.74 1398 22.17 715 25.31
40 2023-10-07 7559 17.45 467 23.55 - - 4853 14.77 1515 20.99 706 23.80
41 2023-10-14 7762 15.74 491 23.01 - - 4915 13.77 1612 16.00 717 23.15
42 2023-10-21 8204 13.12 498 22.09 - - 5298 10.82 1681 13.50 695 22.16
43 2023-10-28 7977 12.52 474 16.03 - - 5227 9.95 1624 15.58 637 23.23
44 2023-11-04 8385 10.83 492 17.07 - - 5218 8.39 1916 12.21 736 20.52
45 2023-11-11 8530 10.70 467 16.70 - - 5244 8.68 2051 10.48 743 21.53
46 2023-11-18 8958 8.64 500 14.20 - - 5506 6.79 2161 8.42 779 18.87
47 2023-11-25 9427 7.62 620 11.94 - - 5716 5.86 2186 7.55 883 15.63
48 2023-12-02 10068 6.79 676 9.76 - - 5970 5.19 2427 6.47 959 15.43
49 2023-12-09 9980 6.00 668 6.74 - - 6046 4.50 2516 6.20 695 17.70
50 2023-12-16 11005 5.90 730 7.81 - - 6708 4.62 2437 4.97 1059 14.45
51 2023-12-23 10800 5.56 768 6.51 - - 6434 3.73 2380 5.88 1154 14.47
52 2023-12-30 10881 4.71 709 5.50 - - 6808 3.30 2155 4.83 1145 12.31
1 2024-01-06 11366 4.80 812 4.43 - - 7012 3.76 2268 5.51 1197 9.69
2 2024-01-13 11322 4.43 924 4.22 - - 7146 3.20 2090 5.07 1089 11.48
3 2024-01-20 9564 4.59 704 4.26 - - 6103 3.16 1751 6.40 968 10.02
4 2024-01-27 9212 4.37 834 4.68 - - 5678 3.12 1695 6.02 961 8.43
5 2024-02-03 9317 5.02 794 5.54 - - 5534 3.27 1918 7.66 1035 9.08
6 2024-02-10 8831 6.26 782 8.82 - - 5191 4.26 1909 7.54 918 12.42
7 2024-02-17 8854 6.18 619 6.30 - - 5376 4.35 1882 8.29 941 12.01
8 2024-02-24 8644 6.21 632 5.85 - - 5113 4.99 1896 7.23 945 10.69
9 2024-03-02 8601 6.48 587 6.30 - - 5157 4.65 1773 7.61 1041 13.74
10 2024-03-09 8230 6.52 483 9.11 - - 4991 4.81 1734 7.55 956 12.45
11 2024-03-16 8300 6.67 626 6.55 - - 5084 5.39 1593 7.34 964 12.03
12 2024-03-23 8413 6.63 592 7.26 - - 5085 5.45 1795 7.30 900 11.56
13 2024-03-30 7851 7.36 581 8.61 - - 4589 5.14 1747 9.90 911 12.84
14 2024-04-06 8012 7.54 598 10.54 - - 4699 6.11 1828 8.97 852 9.98
15 2024-04-13 7830 8.51 626 11.98 - - 4462 6.99 1904 9.93 809 10.63
16 2024-04-20 7297 9.43 568 11.62 - - 4271 7.80 1675 9.43 755 16.56
17 2024-04-27 6784 11.07 658 15.81 - - 3896 9.21 1548 10.47 657 18.72

Positive human coronavirus (HCoV) tests

Figure 10: Positive human coronavirus (HCoV) tests (%) in Canada by region by surveillance week
Figure 10
Figure 10: Positive human coronavirus (HCoV) tests (%) in Canada by region by surveillance week
Week Week End Can Tests HCoV% Atl Tests HCoV% QC Tests HCoV% ON Tests HCoV% Pr Tests HCoV% BC Tests HCoV%
35 2023-09-02 5054 0.28 362 0.00 847 0.47 2230 0.13 1007 0.60 608 0.16
36 2023-09-09 5195 0.42 355 0.56 868 0.81 2285 0.09 1171 0.77 516 0.39
37 2023-09-16 6174 0.23 401 0.50 1053 0.47 2636 0.23 1362 0.00 722 0.14
38 2023-09-23 6796 0.46 429 0.00 1122 0.80 2995 0.40 1503 0.40 747 0.54
39 2023-09-30 7026 0.28 401 0.00 1117 0.45 3325 0.21 1468 0.48 715 0.14
40 2023-10-07 7305 0.26 467 0.21 1178 0.08 3390 0.18 1587 0.25 683 1.02
41 2023-10-14 7435 0.32 491 0.20 1094 0.73 3461 0.12 1672 0.60 717 0.14
42 2023-10-21 7697 0.17 498 0.20 1050 0.48 3707 0.05 1747 0.23 695 0.14
43 2023-10-28 7576 0.38 473 0.42 1065 0.38 3707 0.30 1694 0.53 637 0.47
44 2023-11-04 7754 0.37 476 0.21 1067 0.28 3508 0.43 1967 0.20 736 0.82
45 2023-11-11 8119 0.42 467 0.86 1187 0.51 3607 0.28 2115 0.38 743 0.81
46 2023-11-18 8674 0.65 500 0.20 1324 0.98 3838 0.42 2233 0.99 779 0.51
47 2023-11-25 9069 0.65 620 0.65 1357 0.96 3977 0.55 2232 0.54 883 0.91
48 2023-12-02 9880 0.76 676 0.74 1518 1.05 4241 0.42 2486 0.72 959 1.88
49 2023-12-09 9440 1.12 668 1.20 1523 1.64 4007 0.57 2547 1.33 695 2.30
50 2023-12-16 10458 1.47 730 0.41 1583 1.58 4616 1.47 2470 1.58 1059 1.79
51 2023-12-23 10483 1.77 768 1.30 1765 2.10 4389 1.66 2407 1.58 1154 2.43
52 2023-12-30 10328 2.48 709 1.55 1885 2.97 4422 2.49 2167 2.08 1145 2.97
1 2024-01-06 10903 3.06 812 2.96 1861 2.10 4722 3.37 2311 2.81 1197 3.93
2 2024-01-13 10891 3.19 924 3.03 1719 2.50 5030 3.14 2129 3.85 1089 3.31
3 2024-01-20 9527 3.89 704 5.11 1698 4.18 4360 3.78 1797 3.78 968 3.20
4 2024-01-27 9111 5.19 834 5.28 1640 5.49 3941 5.76 1735 4.27 961 3.95
5 2024-02-03 9137 5.10 794 4.79 1647 5.10 3717 6.27 1944 3.34 1035 4.44
6 2024-02-10 8766 6.80 782 5.37 1653 9.50 3456 7.00 1957 5.01 918 6.21
7 2024-02-17 8846 7.73 619 6.30 1700 8.12 3661 8.96 1925 6.39 941 5.95
8 2024-02-24 8546 8.28 632 7.28 1644 10.28 3416 8.17 1909 7.02 945 8.47
9 2024-03-02 8590 7.09 587 6.47 1643 7.49 3511 8.32 1808 5.53 1041 5.38
10 2024-03-09 8072 6.84 483 4.97 1522 6.96 3342 8.02 1769 5.48 956 5.96
11 2024-03-16 8007 7.18 626 4.95 1287 7.30 3476 8.20 1654 6.83 964 5.39
12 2024-03-23 8202 6.79 592 6.08 1455 6.19 3452 7.42 1803 6.60 900 6.22
13 2024-03-30 7797 6.02 581 6.54 1418 5.92 3111 6.49 1776 5.01 911 6.15
14 2024-04-06 7932 6.77 598 7.19 1495 6.29 3134 6.83 1853 7.12 852 6.34
15 2024-04-13 7843 5.46 626 4.31 1508 5.57 2974 6.22 1926 4.67 809 5.19
16 2024-04-20 7284 5.00 568 6.34 1455 4.47 2807 5.20 1699 5.18 755 3.84
17 2024-04-27 6819 4.75 658 5.17 1451 4.82 2495 4.53 1558 5.65 657 2.89

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