Respiratory Virus Report, week 24 - ending June 18, 2022

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Organization: Public Health Agency of Canada

In this Respiratory Virus Report, the number of detections of coronavirus reflects only seasonal human coronaviruses, not the novel pandemic coronavirus (SARS-CoV-2) that causes COVID-19. For information on COVID-19, see the Coronavirus disease (COVID-19): Outbreak update

Overall Summary

Detections of seasonal respiratory viruses have been decreasing consistently for over a month.

  • Influenza remains the most common seasonal respiratory virus detected in Canada. Overall, influenza activity has continued to decrease, but activity has increased in Atlantic Canada in recent weeks.
    • A total of 596 influenza detections were reported (588 influenza A, 8 influenza B).
    • Activity of influenza A (4.8% positive) has decreased, but remains slightly above expected levels for this time of year.
  • Activity of other respiratory viruses is low, and is near expected levels for most viruses.
    • Activity of human metapneumovirus (177 detections; 5.8% positive) has increased in recent weeks, and is slightly above expected levels for this time of year.
  • The number of tests performed for all viruses was above expected levels.
  • 30/34 sentinel laboratories reported surveillance data.

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Abbreviations:
Flu
Influenza
Flu A(H1)pdm09
Influenza A(H1N1)pdm09
Flu A(H3)
Influenza A(H3N2)
Flu A(UnS)
Influenza A(Unsubtyped)
RSV
Respiratory syncytial virus
HPIV
Human parainfluenza virus
HMPV
Human metapneumovirus
ADV
Adenovirus
EV/RV
Enterovirus/Rhinovirus
HCoV
Human coronavirus
Atl
Atlantic Canada
BC
British Columbia
Can
Canada
EORLA
Eastern Ontario Regional Laboratory Association
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
Terr
Territories of Canada
UHN
University Health Network

Respiratory virus detections

Table 1: Respiratory virus detections for the week ending June 18, 2022 (surveillance week 2022-24)
Reporting Laboratory 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 136 0 0 10 10 0 136 6 136 0 1 0 0 3 136 2 136 6 136 11 N.C. N.C.
Prince Edward Island 28 0 2 0 2 0 28 1 28 0 0 0 2 0 28 0 28 3 28 12 28 0
Nova Scotia 617 0 0 51 51 0 617 9 37 0 0 0 2 0 37 1 37 5 37 1 37 1
New Brunswick 397 0 45 58 103 0 257 6 66 0 1 0 0 0 66 2 66 4 66 6 66 0
Atlantic 1178 0 47 119 166 0 1038 22 267 0 2 0 4 3 267 5 267 18 267 30 131 1
Région Nord-Est 1428 0 0 26 26 7 530 1 2 0 0 0 0 0 2 0 2 0 N.C. N.C. 2 1
Québec-Chaudière-Appalaches 164 0 0 5 5 0 636 1 31 0 3 0 2 0 266 7 264 4 N.C. N.C. 115 5
Centre-du-Québec 651 0 1 42 43 0 525 2 24 0 0 1 0 0 24 0 24 1 N.C. N.C. 24 2
Montréal-Laval 1481 0 0 68 68 0 1010 2 328 2 5 13 0 0 328 15 328 7 N.C. N.C. 364 12
Ouest du Québec 317 0 0 39 39 0 317 2 21 0 0 1 0 0 21 2 21 0 N.C. N.C. 21 0
Montérégie 292 0 0 30 30 0 280 0 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Province of Québec 4333 0 1 210 211 7 3298 8 406 2 8 15 2 0 641 24 639 12 N.C. N.C. 526 20
P.H.O.L. - Ottawa 26 0 0 0 0 0 26 0 26 0 0 0 0 3 26 0 26 0 26 5 26 0
EORLA 204 0 0 5 5 0 204 4 42 0 0 0 2 0 42 0 42 2 42 1 42 2
P.H.O.L. - Kingston 20 0 0 0 0 0 20 4 20 0 0 0 0 0 20 1 20 6 20 6 20 0
UHN / Mount Sinai Hospital 427 0 0 3 3 0 428 1 16 0 0 0 0 0 16 0 16 0 16 1 16 0
P.H.O.L. - Toronto 272 0 27 0 10 0 272 0 272 0 0 0 0 24 272 3 272 14 272 35 272 19
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.
Sunnybrook & Women's College HSC 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.
P.H.O.L. - Sault Ste. Marie 3 0 0 0 0 0 3 0 3 0 0 0 0 0 3 0 3 1 3 0 3 0
P.H.O.L. - Timmins 8 0 0 0 0 0 8 1 8 0 0 0 0 0 8 0 8 0 8 1 8 0
St. Joseph's - London 65 0 0 3 3 0 65 1 65 0 0 0 0 0 65 4 65 8 65 13 7 0
P.H.O.L. - London 51 0 0 1 1 0 51 0 51 0 0 0 0 3 51 1 51 8 51 7 51 3
P.H.O.L. - Orillia 34 0 0 0 0 0 34 7 34 0 0 0 0 5 34 1 34 11 34 12 34 1
P.H.O.L. - Thunder Bay 1 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 1 0 1 0 1 0
P.H.O.L. - Sudbury 4 0 0 0 0 0 4 0 4 0 0 0 0 0 4 0 4 1 4 1 4 0
P.H.O.L. - Hamilton 41 0 0 0 0 0 41 1 41 0 0 0 0 1 41 1 41 7 41 1 41 1
P.H.O.L. - Peterborough 6 0 1 0 1 0 6 0 6 0 0 0 0 0 6 1 6 0 6 2 6 0
St. Joseph's - Hamilton 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.
Province of Ontario 1162 0 28 12 23 0 1163 19 589 0 0 0 2 36 589 12 589 58 589 85 531 26
Province of Manitoba 561 0 1 6 7 0 561 20 117 0 0 1 3 0 117 3 120 4 117 15 120 1
Province of Saskatchewan 378 0 0 11 11 0 378 10 155 0 1 2 5 0 156 5 156 8 156 41 155 9
Province of Alberta 1876 0 76 21 97 0 1619 55 753 4 9 18 3 0 753 6 752 37 741 88 753 14
Prairies 2815 0 77 38 115 0 2558 85 1025 4 10 21 11 0 1026 14 1028 49 1014 144 1028 24
British Columbia 2804 0 32 0 68 1 2725 39 526 1 0 6 7 3 526 15 526 40 516 82 516 15
Yukon 6 0 0 0 0 0 6 0 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 47 0 5 0 5 0 47 8 1 0 0 0 0 0 1 0 1 0 46 4 1 0
Nunavut 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 0 5 0 5 0 54 9 2 0 0 0 0 0 2 0 2 0 47 4 2 0
CANADA 12346 0 190 379 588 8 10836 182 2815 7 20 42 26 42 3051 70 3051 177 2433 345 2734 86

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.

The reporting laboratory previously listed as CHEO - Ottawa is now listed as EORLA to better reflect data submitted by this provider.

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: BC Children's and Women's Hospital, Children's and Women's Hospital Laboratory, Fraser Health Medical Microbiology Laboratory, Island Health, Providence Health Care, Powell River Hospital, St. Paul's Hospital, Vancouver General Hospital, Victoria General Hospital, BCCDC Public Health Laboratory, Interior Health Authority sites and Northern Health Authority sites.

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

For British Columbia, only data from subtyped influenza A specimens are included in the weekly number of influenza detections. The sum of A(H1N1)pdm09, A(H3), and A(UnS) positive results may not equal the sum of total Flu A positive results.

Due to different testing protocols of laboratories across Canada, influenza A subtype detection counts may not be included in total influenza A detection counts, as some subtype detections are not available through routine testing but are subsequently reported if further subtype testing is conducted. In these instances, subtype counts do not reflect influenza A detections intended to be captured by routine surveillance, and are excluded from total detections and percent positivity.

Table 2: Cumulative respiratory virus detections from August 29, 2021 to June 18, 2022 (surveillance weeks 2021-35 to 2022-24)
Reporting Laboratory 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 14211 0 0 312 312 0 14209 187 14212 1 21 116 0 314 14219 46 14206 73 14273 2109 N.C. N.C.
Prince Edward Island 2516 0 45 17 62 0 2516 259 2471 0 0 158 18 1 2516 65 2516 92 2516 580 2516 138
Nova Scotia 22396 0 2 328 330 8 22401 351 1728 0 3 41 28 0 1748 18 1748 36 1748 152 1748 46
New Brunswick 18008 0 70 341 411 0 11470 320 3255 0 1 27 26 0 3248 33 3255 33 3255 100 3164 16
Atlantic 57131 0 117 998 1115 8 50596 1117 21666 1 25 342 72 315 21731 162 21725 234 21792 2941 7428 200
Région Nord-Est 30710 44 1 2168 2213 16 14379 1445 813 2 0 10 1 0 904 18 417 13 N.C. N.C. 1248 24
Québec-Chaudière-Appalaches 10925 0 0 1390 1390 43 11995 1006 1719 1 15 9 16 0 3959 120 3862 129 N.C. N.C. 2464 105
Centre-du-Québec 12040 0 3 1231 1234 10 10942 1090 1359 2 8 26 3 0 1359 39 1367 24 N.C. N.C. 1352 27
Montréal-Laval 30753 0 5 1482 1487 8 27379 2467 8730 14 70 52 8 0 8729 513 8727 375 N.C. N.C. 8885 221
Ouest du Québec 7664 0 6 608 614 0 7606 938 236 0 8 5 5 0 229 20 225 11 N.C. N.C. 225 5
Montérégie 4941 0 0 280 280 0 4377 389 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Province of Québec 97033 44 15 7159 7218 77 76678 7335 12857 19 101 102 33 0 15180 710 14598 552 N.C. N.C. 14174 382
P.H.O.L. - Ottawa 7010 2 81 1 84 0 7010 1442 7010 0 0 0 0 740 7010 312 7008 45 7010 2250 7008 291
EORLA 7707 0 0 162 162 0 7682 646 1146 0 2 20 8 0 1146 21 827 19 1146 176 804 29
P.H.O.L. - Kingston 1500 0 219 0 8 0 1507 132 1506 0 0 0 0 133 1507 26 1488 14 1506 340 1488 97
UHN / Mount Sinai Hospital 19730 0 0 53 53 4 19731 112 651 0 0 0 0 0 651 1 651 1 651 17 651 11
P.H.O.L. - Toronto 10570 2 358 1 117 0 10558 291 10558 0 0 0 0 382 10564 148 10550 129 10558 1175 10551 434
Sick Kids Hospital - Toronto 839 0 0 0 0 0 0 0 839 0 2 68 1 0 839 12 839 1 839 233 839 10
Sunnybrook & Women's College HSC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
P.H.O.L. - Sault Ste. Marie 341 0 4 1 4 0 340 9 340 0 0 0 0 7 340 3 340 2 340 51 340 23
P.H.O.L. - Timmins 494 0 16 0 9 0 494 27 494 0 0 0 0 18 494 1 493 1 494 40 493 30
St. Joseph's - London 12948 0 0 68 68 0 12951 779 11394 0 0 7 0 92 11394 152 11394 81 11348 625 543 4
P.H.O.L. - London 3852 0 52 10 54 0 3851 465 3851 0 0 0 0 182 3851 92 3848 77 3851 502 3848 281
P.H.O.L. - Orillia 992 0 7 1 8 0 992 136 992 0 0 0 0 65 992 32 989 40 992 246 989 76
P.H.O.L. - Thunder Bay 349 0 4 0 4 0 349 26 349 0 0 0 0 24 349 1 349 11 349 61 349 37
P.H.O.L. - Sudbury 364 0 6 0 6 0 364 12 364 0 0 0 0 9 364 2 364 7 364 34 364 11
P.H.O.L. - Hamilton 1977 0 24 2 22 0 1972 78 1972 0 0 0 0 64 1973 20 1972 43 1972 259 1972 113
P.H.O.L. - Peterborough 666 0 1 0 1 0 666 49 659 0 0 0 0 13 659 6 656 3 659 106 656 45
St. Joseph's - Hamilton 24329 0 4 237 241 1 24323 1651 24323 5 0 663 0 0 24323 234 24323 263 24323 2098 0 0
Province of Ontario 93668 4 776 536 841 5 92790 5855 66448 5 4 758 9 1729 66456 1063 66091 737 66402 8213 30895 1492
Manitoba 56645 1 82 486 569 0 56645 1382 3279 2 13 77 19 0 3279 55 4686 36 3279 401 4492 91
Province of Saskatchewan 29196 2 455 297 754 0 29161 1735 5742 1 17 209 81 0 5742 109 5742 79 5742 833 5731 308
Province of Alberta 85558 7 1649 825 2481 3 65822 3588 35249 6 127 770 237 0 35242 373 35230 529 34924 3929 35249 1533
Prairies 171399 10 2186 1608 3804 3 151628 6705 44270 9 157 1056 337 0 44263 537 45658 644 43945 5163 45472 1932
British Columbia 199218 7 776 6 1214 88 194601 9324 26379 9 21 1098 302 180 26379 521 26375 395 25861 3936 25879 955
Yukon 5458 1 5 2 14 7 5467 308 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 1849 0 202 1 203 0 1837 175 121 0 1 1 0 0 121 3 121 0 1770 191 121 1
Nunavut 15650 0 159 7 166 0 15648 160 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 22957 1 366 10 383 7 22952 643 171 0 1 5 0 0 171 6 171 0 1820 204 154 1
CANADA 641406 66 4236 10317 14575 188 589245 30979 171791 43 309 3361 753 2224 174180 2999 174618 2562 159820 20457 124002 4962

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.

Note: Included in the cumulative detections this season are 11 co-infections of influenza A and B (total of 22 detections) that are suspected to be associated with recent live attenuated influenza vaccine (LAIV) receipt. Co-infections known or reported to be associated with recent LAIV are removed by the submitting laboratory or by PHAC beginning in week 44 as they do not represent community transmission of seasonal influenza viruses.

The reporting laboratory previously listed as CHEO - Ottawa is now listed as EORLA to better reflect data submitted by this provider.

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

The reporting laboratory previously listed as CHEO - Ottawa is now listed as EORLA to better reflect data submitted by this provider.

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

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.

For British Columbia, only data from subtyped influenza A specimens are included in the weekly number of influenza detections. The sum of A(H1N1)pdm09, A(H3), and A(UnS) positive results may not equal the sum of total Flu A positive results.

Due to different testing protocols of laboratories across Canada, influenza A subtype detection counts may not be included in total influenza A detection counts, as some subtype detections are not available through routine testing but are subsequently reported if further subtype testing is conducted. In these instances, subtype counts do not reflect influenza A detections intended to be captured by routine surveillance, and are excluded from total detections and percent positivity.

Positive respiratory virus tests historical comparison

Figure 1: Positive respiratory 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: 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

a Human coronavirus excludes human coronaviruses SARS-CoV, MERS-CoV and SARS-CoV-2; Includes seasonal human coronaviruses HCoV-229E, HCoV-OC43, HCoV-NL63, HCoV-HKU1.

Figure 1: Positive respiratory 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 2021-2022 A% 2020-2021 A% Max A% Base Min A% Base Av A% Base 2021-2022 B% 2020-2021 B% Max B% Base Min B% Base Av B% Base 2021-2022 RSV% 2020-2021 RSV% Max RSV% Base Min RSV% Base Av RSV% Base 2021-2022 HPIV% 2020-2021 HPIV% Max HPIV% Base Min HPIV% Base Av HPIV% Base 2021-2022 ADV% 2020-2021 ADV% Max ADV% Base Min ADV% Base Av ADV% Base 2021-2022 HMPV% 2020-2021 HMPV% Max HMPV% Base Min HMPV% Base Av HMPV% Base 2021-2022 EV/RV% 2020-2021 EV/RV% Max EV/RV% Base Min EV/RV% Base Av EV/RV% Base 2021-2022 HCoV% 2020-2021 HCoV% Max HCoV% Base Min HCoV% Base Av HCoV% Base
35 2021-09-04 0.04 0.00 1.60 0.11 0.68 0.00 0.02 0.28 0.00 0.13 4.79 0.02 1.34 0.38 0.60 5.99 0.08 3.16 1.15 2.42 1.18 0.27 1.74 0.99 1.43 0.23 0.17 2.04 0.10 0.77 21.97 9.07 27.19 22.44 24.78 1.05 0.06 0.76 0.18 0.45
36 2021-09-11 0.01 0.00 2.11 0.23 0.98 0.00 0.00 0.55 0.00 0.15 7.18 0.04 1.09 0.22 0.57 4.92 0.20 3.31 1.35 2.32 1.15 0.40 2.85 1.42 1.87 0.24 0.06 0.84 0.10 0.48 18.62 8.13 30.69 23.30 26.31 0.62 0.00 0.38 0.12 0.22
37 2021-09-18 0.03 0.00 1.59 0.36 0.87 0.00 0.00 0.19 0.04 0.12 8.09 0.02 1.37 0.31 0.64 5.97 0.13 3.26 1.65 2.40 0.81 0.35 2.44 1.38 1.86 0.17 0.05 1.61 0.00 0.51 27.46 8.07 33.58 27.74 31.68 0.44 0.05 0.56 0.00 0.26
38 2021-09-25 0.00 0.02 2.15 0.43 1.16 0.00 0.00 0.21 0.00 0.14 7.63 0.10 1.24 0.37 0.64 4.73 0.07 2.87 1.92 2.33 0.82 0.58 2.04 1.11 1.63 0.37 0.02 1.43 0.06 0.47 33.16 15.67 39.57 32.80 35.33 0.67 0.00 1.36 0.06 0.43
39 2021-10-02 0.01 0.00 2.65 0.57 1.53 0.00 0.00 0.29 0.09 0.18 9.01 0.05 1.29 0.41 0.68 8.12 0.02 3.01 1.70 2.24 1.14 0.19 2.27 1.04 1.66 0.17 0.04 0.72 0.05 0.28 30.02 24.12 40.59 34.87 37.68 0.62 0.05 0.66 0.07 0.45
40 2021-10-09 0.00 0.00 2.17 1.01 1.58 0.02 0.00 0.20 0.05 0.11 8.98 0.07 1.39 0.34 0.67 8.19 0.02 3.28 1.90 2.43 1.31 0.44 2.25 1.39 1.82 0.16 0.00 0.92 0.05 0.34 26.24 16.62 41.29 33.00 35.43 0.57 0.09 1.08 0.22 0.58
41 2021-10-16 0.03 0.01 2.66 1.05 1.57 0.03 0.00 0.36 0.03 0.16 10.07 0.10 1.74 0.58 0.98 10.46 0.06 3.70 1.94 2.74 1.37 0.37 1.91 1.28 1.70 0.20 0.19 0.95 0.04 0.46 22.91 15.48 33.62 26.94 29.81 1.69 0.02 0.70 0.00 0.33
42 2021-10-23 0.03 0.00 2.96 0.77 1.92 0.02 0.00 0.45 0.05 0.25 8.65 0.07 2.11 0.63 1.14 10.01 0.06 3.89 2.64 3.20 2.54 0.47 2.38 1.47 1.86 0.15 0.06 0.89 0.15 0.38 22.17 13.60 32.62 24.54 27.82 1.07 0.00 1.18 0.20 0.49
43 2021-10-30 0.03 0.01 5.23 0.68 2.60 0.02 0.00 0.55 0.06 0.23 8.55 0.07 2.16 0.55 1.32 9.38 0.07 3.98 3.18 3.56 1.15 0.37 2.42 1.63 1.96 0.36 0.02 1.64 0.12 0.57 19.64 13.14 28.73 21.67 24.95 1.05 0.00 2.35 0.27 0.75
44 2021-11-06 0.10 0.04 8.42 1.08 3.39 0.10 0.03 0.71 0.12 0.31 8.19 0.05 3.35 0.83 1.92 10.27 0.03 4.81 2.94 3.70 1.42 0.22 2.88 1.18 2.20 0.77 0.13 1.08 0.23 0.47 21.44 9.23 23.82 16.75 21.34 2.21 0.00 2.59 0.21 0.88
45 2021-11-13 0.07 0.02 9.83 1.18 4.19 0.06 0.02 0.97 0.22 0.44 7.33 0.04 4.43 1.29 2.59 9.97 0.01 5.42 2.53 4.01 1.61 0.33 2.68 2.02 2.42 0.64 0.01 1.30 0.04 0.77 22.40 9.70 23.08 15.17 20.56 2.54 0.03 2.74 0.52 0.96
46 2021-11-20 0.10 0.03 13.95 1.42 5.47 0.05 0.01 1.49 0.09 0.58 7.49 0.06 6.33 1.38 3.29 8.29 0.04 5.72 1.62 4.19 2.51 0.30 2.90 1.99 2.53 0.99 0.04 1.43 0.18 0.79 21.37 9.02 22.77 15.28 19.27 3.05 0.03 3.32 0.46 1.25
47 2021-11-27 0.12 0.03 15.24 1.25 6.91 0.07 0.04 2.13 0.13 0.80 8.48 0.03 8.69 1.79 4.46 7.04 0.06 7.00 2.36 4.72 1.94 0.32 2.95 1.83 2.35 1.01 0.02 2.02 0.09 0.89 18.53 8.44 20.84 12.15 16.09 3.93 0.04 3.26 0.37 1.25
48 2021-12-04 0.19 0.04 18.07 0.76 9.40 0.15 0.01 3.18 0.08 1.20 9.34 0.02 9.47 3.11 5.72 5.77 0.02 6.14 3.03 4.18 1.89 0.35 3.34 1.66 2.48 1.48 0.02 1.94 0.31 1.08 16.61 7.94 16.72 12.69 13.83 4.96 0.02 4.30 1.00 2.04
49 2021-12-11 0.23 0.03 19.52 1.43 11.41 0.05 0.01 4.21 0.19 1.60 10.51 0.06 12.26 4.87 7.12 3.97 0.00 5.65 2.94 4.19 2.48 0.54 3.03 1.84 2.49 1.22 0.05 2.80 0.49 1.46 14.56 6.21 16.32 10.72 13.07 6.58 0.05 5.19 0.84 2.52
50 2021-12-18 0.23 0.01 26.42 1.97 14.27 0.02 0.01 7.95 0.15 2.55 11.21 0.07 13.19 5.39 7.93 3.23 0.06 5.95 2.54 4.27 2.72 0.51 3.27 1.49 2.45 1.08 0.02 3.32 0.46 1.70 12.39 6.62 13.85 8.43 10.90 7.29 0.11 6.04 1.54 3.16
51 2021-12-25 0.18 0.00 28.53 2.27 16.81 0.02 0.01 10.44 0.19 3.30 9.26 0.07 15.23 6.52 9.27 3.01 0.04 6.71 2.94 3.95 2.54 0.58 3.20 1.36 2.04 1.20 0.04 4.39 0.37 2.44 9.95 5.65 14.18 8.81 10.48 8.18 0.05 6.68 1.87 3.72
52 2022-01-01 0.09 0.00 33.97 3.30 20.41 0.01 0.00 12.73 0.23 4.07 6.96 0.01 17.80 6.83 10.39 2.13 0.03 5.08 2.87 3.75 1.92 0.48 2.59 1.20 1.76 1.00 0.11 3.81 0.41 2.44 7.70 6.53 14.41 6.24 9.23 10.36 0.07 6.73 2.78 4.75
1 2022-01-08 0.08 0.00 30.93 4.58 19.55 0.00 0.00 10.34 0.22 3.86 5.47 0.04 15.62 7.12 10.17 1.84 0.12 5.08 2.68 3.34 1.84 0.81 2.67 0.85 1.54 0.72 0.06 4.45 0.28 2.70 5.71 5.43 11.09 4.36 7.42 9.27 0.12 7.77 3.07 5.16
2 2022-01-15 0.11 0.00 26.80 5.46 19.10 0.01 0.00 11.01 0.29 3.91 4.49 0.07 14.05 6.60 9.63 1.19 0.08 4.12 2.46 3.05 1.13 0.82 2.15 0.87 1.37 0.38 0.03 4.76 0.42 2.66 3.98 5.18 9.55 4.31 6.79 7.49 0.16 7.89 2.84 5.44
3 2022-01-22 0.04 0.01 28.20 9.13 18.94 0.01 0.01 12.75 0.35 4.69 3.55 0.03 15.56 6.72 10.32 0.76 0.05 3.25 2.59 2.82 1.34 0.40 2.10 1.15 1.45 0.24 0.11 5.56 0.47 3.13 3.11 3.56 8.42 4.44 6.01 4.97 0.26 7.90 4.17 6.11
4 2022-01-29 0.05 0.00 27.01 12.34 18.81 0.00 0.00 12.74 0.41 5.15 2.43 0.05 15.88 7.02 11.23 0.64 0.06 3.12 1.77 2.55 1.18 0.46 1.83 1.11 1.49 0.23 0.12 5.19 0.55 3.01 2.59 3.87 9.04 4.89 6.41 3.92 0.16 7.86 3.79 6.08
5 2022-02-05 0.03 0.00 23.66 15.78 19.14 0.01 0.00 14.84 0.41 5.76 2.28 0.04 16.33 7.17 11.49 0.48 0.06 3.48 1.70 2.39 1.57 0.29 1.93 1.36 1.62 0.25 0.16 5.70 0.58 3.29 3.02 4.76 9.79 6.06 6.94 2.83 0.13 8.49 4.55 6.84
6 2022-02-12 0.04 0.02 23.36 15.63 18.79 0.01 0.00 16.23 0.44 6.21 2.18 0.08 15.79 6.52 11.70 0.51 0.10 2.89 1.57 2.19 1.44 0.54 1.74 1.25 1.51 0.42 0.19 5.57 0.65 3.39 3.86 5.08 9.89 6.16 6.98 3.01 0.20 8.57 3.48 6.75
7 2022-02-19 0.02 0.00 24.22 15.48 18.52 0.00 0.00 17.02 0.35 6.54 2.24 0.02 15.53 6.95 11.26 0.44 0.00 3.20 1.42 2.12 1.52 0.49 1.61 1.30 1.51 0.44 0.14 6.05 1.45 3.94 4.44 5.56 8.95 6.00 7.02 3.24 0.13 8.02 4.35 6.54
8 2022-02-26 0.06 0.00 28.62 12.42 18.53 0.02 0.00 16.79 0.45 6.60 2.20 0.05 15.47 6.64 10.63 0.73 0.16 3.21 1.31 2.25 1.85 0.72 2.00 1.38 1.67 0.53 0.04 5.74 1.19 4.08 6.30 4.77 8.35 5.20 6.94 3.67 0.14 8.29 4.21 6.60
9 2022-03-05 0.12 0.00 29.30 11.04 18.35 0.00 0.00 15.45 0.74 6.24 2.62 0.01 15.62 6.54 10.04 0.60 0.07 3.35 1.41 2.44 1.90 0.86 1.92 1.09 1.40 0.40 0.11 6.42 1.87 4.38 7.76 5.48 9.04 5.73 7.75 3.32 0.36 8.01 5.09 6.86
10 2022-03-12 0.16 0.00 29.65 8.51 16.81 0.00 0.00 14.86 0.81 6.41 3.27 0.00 14.97 6.35 9.37 0.68 0.06 4.18 1.19 2.69 1.98 0.38 2.23 1.50 1.78 0.51 0.00 6.74 2.26 4.80 8.20 4.62 10.16 5.55 8.08 3.86 0.34 8.34 4.28 7.01
11 2022-03-19 0.27 0.01 24.27 6.74 14.55 0.01 0.00 13.11 1.05 6.86 3.91 0.03 12.11 6.29 8.83 0.66 0.19 4.58 1.35 3.00 1.88 0.63 2.32 1.23 1.69 0.59 0.11 7.94 2.52 4.71 8.93 4.08 9.45 7.15 8.24 3.25 0.33 8.02 4.35 6.23
12 2022-03-26 0.86 0.00 20.91 5.51 12.67 0.00 0.00 11.53 1.51 7.43 4.04 0.07 10.70 6.46 8.12 1.05 0.00 4.95 1.26 3.34 1.71 0.35 2.13 1.84 1.97 0.77 0.14 6.69 3.65 5.19 9.47 4.61 10.26 8.71 9.66 4.38 0.54 6.99 3.95 5.69
13 2022-04-02 1.52 0.00 18.09 4.67 11.66 0.00 0.00 12.55 1.98 7.90 4.27 0.04 9.32 6.45 7.64 1.39 0.18 5.21 1.48 3.68 2.29 0.35 2.12 1.37 1.70 1.28 0.07 6.90 3.95 5.18 8.44 4.86 12.58 7.69 10.26 4.45 0.30 8.16 3.65 5.46
14 2022-04-09 2.46 0.00 17.83 3.21 9.98 0.01 0.00 13.12 2.12 7.88 4.40 0.08 8.09 5.32 6.44 1.18 0.00 6.26 1.67 4.31 1.74 0.34 2.31 1.50 1.86 1.45 0.04 7.70 4.14 6.00 9.21 5.49 13.59 8.60 12.03 4.24 0.41 7.79 3.84 4.87
15 2022-04-16 3.82 0.01 17.75 2.18 8.72 0.02 0.00 12.22 2.00 7.55 3.74 0.11 7.73 4.64 5.97 1.35 0.12 6.94 1.97 4.61 1.71 0.98 2.62 1.64 2.12 1.52 0.04 7.47 3.81 5.94 9.10 8.23 14.59 9.44 13.16 5.00 1.07 5.52 3.23 4.24
16 2022-04-23 6.95 0.00 13.67 2.13 6.80 0.01 0.00 11.94 2.56 7.68 3.20 0.23 6.64 4.40 5.40 2.19 0.16 7.88 1.97 5.20 1.84 0.82 3.21 1.85 2.32 2.18 0.04 7.16 3.71 5.90 8.15 6.18 16.10 10.84 13.78 4.91 0.69 4.99 3.51 4.32
17 2022-04-30 9.64 0.00 11.31 1.28 5.34 0.01 0.00 12.18 2.94 7.49 3.03 0.21 5.79 3.52 4.58 1.78 0.61 8.67 2.07 6.01 1.37 0.35 2.54 1.70 2.10 2.40 0.04 6.58 4.68 5.64 7.71 7.23 18.29 13.64 16.16 4.91 0.96 4.11 2.54 3.37
18 2022-05-07 11.55 0.00 8.05 0.89 3.95 0.01 0.00 10.20 2.62 6.31 2.50 0.27 4.86 2.78 3.62 2.07 0.08 8.42 3.19 5.85 1.32 0.77 2.89 1.36 2.23 2.55 0.00 6.37 3.14 5.08 7.40 5.63 20.03 12.39 16.31 4.80 0.69 4.00 2.36 3.09
19 2022-05-14 12.95 0.00 8.27 0.90 3.26 0.05 0.00 9.33 2.12 5.72 2.56 0.24 4.61 2.30 3.16 2.71 0.21 9.09 3.67 5.95 1.52 0.98 2.63 1.66 2.07 3.62 0.04 7.46 3.23 4.80 8.32 7.40 21.71 15.70 19.30 4.37 0.86 3.71 1.58 2.36
20 2022-05-21 10.66 0.00 6.42 0.56 2.33 0.07 0.01 7.59 1.12 4.89 2.65 0.18 4.46 1.59 2.66 3.29 0.05 8.60 3.90 6.75 1.68 0.71 3.35 1.79 2.44 4.79 0.14 6.85 2.55 4.99 9.03 8.13 24.52 16.67 19.75 4.53 0.75 3.31 1.87 2.49
21 2022-05-28 9.38 0.01 4.40 0.12 1.67 0.04 0.00 5.43 0.91 3.93 1.70 0.25 4.10 1.23 2.13 3.47 0.25 9.56 6.00 7.27 1.95 1.05 3.51 1.41 2.39 5.69 0.10 6.80 3.22 4.63 10.26 6.36 25.86 16.41 21.07 3.64 1.17 2.37 1.10 1.74
22 2022-06-04 8.04 0.00 2.98 0.29 1.35 0.06 0.00 3.51 0.53 2.51 2.05 0.26 3.72 0.86 1.71 3.32 0.35 8.71 5.94 6.99 1.56 0.82 3.45 1.91 2.79 5.22 0.11 5.39 2.43 3.84 9.14 4.59 23.76 17.55 20.50 3.78 0.69 2.06 0.56 1.23
23 2022-06-11 6.65 0.00 2.55 0.56 1.07 0.14 0.00 2.78 0.32 1.79 1.76 0.18 3.38 0.77 1.56 4.59 0.17 9.74 5.14 6.94 2.26 0.71 2.72 1.69 2.18 5.35 0.06 4.49 2.25 3.18 13.27 6.14 23.65 18.15 21.01 2.93 0.74 1.86 0.47 1.08
24 2022-06-18 4.76 0.02 2.82 0.30 0.93 0.06 0.00 2.11 0.27 1.32 1.68 0.32 3.22 0.50 1.37 4.87 1.52 8.25 5.76 7.01 2.29 1.43 3.80 1.96 2.89 5.80 0.12 3.48 1.85 2.67 14.18 8.01 26.76 20.72 23.68 3.15 0.62 1.54 0.88 1.19

Number of positive respiratory virus tests

Figure 2: Number of positive respiratory virus tests reported by participating laboratories in Canada by surveillance week
Figure 2
Figure 2: Number of positive respiratory virus tests reported by participating laboratories in Canada by surveillance week
Week ParaInfluenza Adenovirus Human metapneumovirus Enterovirus/Rhinovirus Coronavirus Respiratory syncytial virus Influenza
35 158 31 6 557 21 286 3
36 142 33 7 511 14 479 1
37 207 28 6 916 11 628 3
38 179 31 14 1,180 17 649 0
39 329 46 7 1,147 17 771 1
40 313 50 6 920 17 867 2
41 374 49 7 743 48 932 6
42 402 102 6 788 36 941 6
43 391 48 15 729 35 1,033 7
44 405 56 30 777 67 1,134 32
45 447 72 29 932 88 1,144 23
46 366 111 44 869 106 1,076 26
47 337 91 48 795 153 1,236 33
48 275 91 72 736 188 1,526 64
49 219 139 69 758 252 1,849 55
50 189 163 64 684 278 2,268 56
51 165 139 66 508 256 2,414 58
52 109 99 52 374 332 1,906 29
1 93 95 37 280 312 1,378 25
2 62 54 18 178 252 925 28
3 34 60 11 133 154 624 9
4 28 53 10 109 126 355 8
5 19 62 10 115 78 325 6
6 18 51 15 128 70 275 6
7 14 48 14 134 66 266 2
8 22 56 16 179 72 241 9
9 19 61 13 233 71 264 14
10 21 62 16 240 83 305 17
11 20 57 18 252 67 346 29
12 34 56 26 289 104 367 93
13 48 80 45 274 110 420 179
14 43 64 54 310 116 446 314
15 52 67 60 315 154 414 511
16 84 72 86 293 155 414 1,079
17 92 74 131 357 186 459 1,738
18 123 82 159 396 184 389 2,157
19 115 69 165 345 145 366 2,307
20 141 76 218 374 144 357 1,785
21 157 93 272 447 105 234 1,498
22 147 73 244 396 108 271 1,255
23 160 84 199 413 87 209 951
24 137 70 177 345 86 182 596

Positive influenza (Flu) tests

Figure 3: Positive influenza (Flu) tests (%) in Canada by region by surveillance week
Figure 3
Figure 3: 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 2021-09-04 7140 0.04 0.00 625 0.00 0.00 848 0.12 0.00 1305 0.00 0.00 2849 0.04 0.00 1025 0.10 0.00 488 0.00 0.00
36 2021-09-11 8012 0.01 0.00 675 0.00 0.00 1369 0.00 0.00 1224 0.08 0.00 3302 0.00 0.00 930 0.00 0.00 512 0.00 0.00
37 2021-09-18 9316 0.03 0.00 1009 0.00 0.00 1718 0.00 0.00 1543 0.06 0.00 3450 0.06 0.00 985 0.00 0.00 611 0.00 0.00
38 2021-09-25 9821 0.00 0.00 1141 0.00 0.00 1502 0.00 0.00 1647 0.00 0.00 3632 0.00 0.00 1192 0.00 0.00 707 0.00 0.00
39 2021-10-02 9691 0.01 0.00 1052 0.00 0.00 1089 0.00 0.00 1954 0.00 0.00 3498 0.03 0.00 1611 0.00 0.00 487 0.00 0.00
40 2021-10-09 10776 0.00 0.02 799 0.00 0.00 1641 0.00 0.12 2059 0.00 0.00 3870 0.00 0.00 1823 0.00 0.00 584 0.00 0.00
41 2021-10-16 10372 0.03 0.03 614 0.00 0.00 1704 0.00 0.18 1950 0.05 0.00 3622 0.03 0.00 1904 0.05 0.00 578 0.00 0.00
42 2021-10-23 12508 0.03 0.02 634 0.00 0.00 2050 0.00 0.00 2269 0.04 0.00 4560 0.00 0.00 2440 0.08 0.04 555 0.18 0.18
43 2021-10-30 13341 0.03 0.02 1086 0.00 0.00 2119 0.05 0.00 2143 0.00 0.00 4645 0.04 0.00 2920 0.00 0.07 428 0.23 0.23
44 2021-11-06 15442 0.10 0.10 577 0.00 0.00 2323 0.00 0.00 2473 0.04 0.00 5012 0.00 0.00 4625 0.30 0.28 432 0.23 0.69
45 2021-11-13 17546 0.07 0.06 1195 0.00 0.00 2441 0.04 0.00 2835 0.04 0.00 5278 0.08 0.00 5054 0.14 0.18 743 0.00 0.13
46 2021-11-20 16418 0.10 0.05 1826 0.00 0.00 2261 0.00 0.04 2619 0.19 0.00 4930 0.04 0.00 4339 0.21 0.18 443 0.23 0.00
47 2021-11-27 16917 0.12 0.07 2042 0.05 0.05 2584 0.12 0.04 2979 0.10 0.00 4842 0.00 0.00 4200 0.33 0.24 270 0.00 0.00
48 2021-12-04 18531 0.19 0.15 3195 0.13 0.09 2471 0.08 0.04 3068 0.16 0.00 4731 0.06 0.00 4846 0.45 0.50 220 0.00 0.00
49 2021-12-11 19974 0.23 0.05 3417 0.09 0.00 2880 0.31 0.14 3420 0.23 0.00 4778 0.25 0.00 5172 0.27 0.10 307 0.00 0.00
50 2021-12-18 22543 0.23 0.02 1860 0.27 0.00 2759 0.14 0.00 3883 0.21 0.00 4878 0.10 0.02 8638 0.35 0.03 525 0.00 0.00
51 2021-12-25 28471 0.18 0.02 1238 0.00 0.00 3049 0.59 0.07 4030 0.07 0.00 5324 0.15 0.00 14257 0.16 0.02 573 0.00 0.17
52 2022-01-01 29555 0.09 0.01 1378 0.29 0.00 2560 0.00 0.00 3665 0.14 0.00 6284 0.13 0.02 13696 0.07 0.01 1972 0.00 0.00
1 2022-01-08 28418 0.08 0.00 967 0.00 0.00 2249 0.18 0.00 3668 0.03 0.00 7731 0.17 0.00 11791 0.05 0.01 2012 0.00 0.00
2 2022-01-15 23659 0.11 0.01 1045 0.19 0.00 1400 0.21 0.00 2903 0.03 0.00 6816 0.16 0.00 9996 0.08 0.03 1499 0.00 0.00
3 2022-01-22 19585 0.04 0.01 1195 0.00 0.00 1223 0.16 0.00 2591 0.00 0.08 5637 0.07 0.00 8275 0.01 0.00 664 0.00 0.00
4 2022-01-29 16496 0.05 0.00 1099 0.00 0.00 1136 0.26 0.00 2367 0.00 0.00 4650 0.06 0.00 6638 0.03 0.00 606 0.00 0.00
5 2022-02-05 15977 0.03 0.01 1058 0.00 0.00 844 0.12 0.00 2126 0.00 0.05 4004 0.10 0.00 6671 0.00 0.00 1274 0.00 0.00
6 2022-02-12 13873 0.04 0.01 1069 0.00 0.00 985 0.10 0.00 1981 0.00 0.00 3025 0.03 0.00 5917 0.05 0.02 896 0.00 0.00
7 2022-02-19 13127 0.02 0.00 1094 0.00 0.00 832 0.00 0.00 1941 0.05 0.00 2745 0.04 0.00 5451 0.00 0.00 1064 0.00 0.00
8 2022-02-26 12180 0.06 0.02 1177 0.00 0.00 875 0.34 0.11 1736 0.17 0.00 2457 0.04 0.00 5256 0.00 0.02 679 0.00 0.00
9 2022-03-05 11282 0.12 0.00 1090 0.00 0.00 911 0.00 0.00 1843 0.11 0.00 2649 0.38 0.00 4242 0.05 0.00 547 0.00 0.00
10 2022-03-12 10752 0.16 0.00 1108 0.00 0.00 1040 0.29 0.00 1763 0.06 0.00 2604 0.35 0.00 3713 0.11 0.00 524 0.00 0.00
11 2022-03-19 10207 0.27 0.01 1097 0.00 0.00 902 0.44 0.00 1652 0.24 0.00 2620 0.61 0.00 3617 0.11 0.03 319 0.00 0.00
12 2022-03-26 10808 0.86 0.00 1247 0.08 0.00 1186 0.93 0.00 1766 0.28 0.00 2739 1.90 0.00 3491 0.66 0.00 379 0.26 0.00
13 2022-04-02 11802 1.52 0.00 1324 0.30 0.00 1484 3.44 0.00 1894 1.11 0.00 3261 2.42 0.00 3668 0.63 0.00 171 0.58 0.00
14 2022-04-09 12698 2.46 0.01 1272 0.63 0.08 1644 6.93 0.00 1874 1.17 0.00 4126 3.13 0.00 3620 0.91 0.00 162 4.32 0.00
15 2022-04-16 13311 3.82 0.02 1093 1.65 0.00 1896 11.45 0.05 1905 2.10 0.05 4161 4.16 0.00 4116 1.09 0.00 140 11.43 0.00
16 2022-04-23 15505 6.95 0.01 1429 1.89 0.00 3060 19.61 0.03 1859 1.83 0.00 4601 6.41 0.00 4348 1.86 0.02 208 19.23 0.00
17 2022-04-30 18013 9.64 0.01 1738 5.01 0.06 4691 20.49 0.02 2162 4.12 0.00 4774 9.17 0.00 4427 2.58 0.00 221 21.27 0.00
18 2022-05-07 18652 11.55 0.01 2674 5.31 0.00 4751 26.56 0.04 2185 3.39 0.00 4601 11.45 0.00 4182 2.18 0.00 259 22.78 0.00
19 2022-05-14 17754 12.95 0.05 1509 7.09 0.13 5434 24.22 0.11 2065 6.44 0.00 4587 12.40 0.00 3886 2.44 0.00 273 28.94 0.00
20 2022-05-21 16630 10.66 0.07 1528 7.53 0.00 4707 17.08 0.25 2117 5.67 0.00 4262 13.44 0.00 3699 2.87 0.00 317 17.35 0.00
21 2022-05-28 15899 9.38 0.04 2019 6.24 0.00 4551 15.36 0.11 1986 4.98 0.00 3762 11.43 0.03 3500 3.34 0.00 81 25.93 0.00
22 2022-06-04 15490 8.04 0.06 2143 7.00 0.00 4607 11.87 0.20 1876 4.48 0.00 3489 9.26 0.00 3274 3.88 0.00 101 14.85 0.00
23 2022-06-11 14020 6.65 0.14 1615 8.98 0.00 4924 7.35 0.37 1182 3.47 0.08 3248 7.85 0.00 2979 3.83 0.00 72 20.83 0.00
24 2022-06-18 12346 4.76 0.06 1178 14.09 0.00 4333 4.87 0.16 1162 1.98 0.00 2815 4.09 0.00 2804 2.43 0.04 54 9.26 0.00

Positive respiratory syncytial virus (RSV) tests

Figure 4: Positive respiratory syncytial virus (RSV) tests (%) in Canada by region by surveillance week
Figure 4
Figure 4: 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 2021-09-04 5970 4.79 613 0.00 693 37.95 1277 1.49 1875 0.05 1025 0.29 487 0.00
36 2021-09-11 6672 7.18 671 0.60 1069 39.85 1187 3.12 2234 0.22 930 0.54 581 0.34
37 2021-09-18 7761 8.09 997 0.40 1310 40.76 1499 5.07 2361 0.30 985 0.71 609 0.00
38 2021-09-25 8511 7.63 1135 0.00 1356 41.67 1612 3.97 2510 0.32 1192 1.01 706 0.00
39 2021-10-02 8560 9.01 1052 0.10 1104 53.53 1913 7.42 2394 0.54 1611 1.49 486 0.00
40 2021-10-09 9659 8.98 792 0.38 1583 39.36 2015 9.43 2864 0.77 1823 1.59 582 0.00
41 2021-10-16 9259 10.07 608 0.16 1676 42.78 1867 8.36 2627 0.72 1904 2.00 577 0.17
42 2021-10-23 10882 8.65 581 0.17 1845 33.88 2199 9.55 3264 1.01 2440 2.95 553 0.00
43 2021-10-30 12078 8.55 965 0.10 2121 31.02 2105 9.88 3540 1.05 2920 4.35 427 0.47
44 2021-11-06 13841 8.19 564 1.24 2048 26.46 2421 10.45 3768 1.70 4612 5.77 428 0.47
45 2021-11-13 15615 7.33 837 0.84 2239 18.49 2767 9.97 4011 1.75 5024 7.48 737 0.14
46 2021-11-20 14367 7.49 1259 2.54 2064 12.74 2556 13.38 3734 2.25 4312 8.23 442 0.00
47 2021-11-27 14584 8.48 1607 2.68 2132 11.16 2907 13.62 3510 3.87 4160 10.17 268 0.00
48 2021-12-04 16345 9.34 2884 2.67 2164 8.27 3002 14.69 3272 4.68 4806 13.82 217 5.53
49 2021-12-11 17600 10.51 2979 3.63 2519 6.95 3354 19.11 3309 6.20 5134 13.63 305 6.56
50 2021-12-18 20239 11.21 1442 8.18 2354 5.61 3813 15.53 3495 7.44 8611 13.10 524 7.25
51 2021-12-25 26063 9.26 947 6.65 2467 4.82 4029 13.73 3796 9.69 14257 8.86 567 8.47
52 2022-01-01 27388 6.96 1378 4.43 1916 3.60 3664 10.15 4576 9.55 13884 6.64 1970 2.28
1 2022-01-08 25176 5.47 983 6.61 1708 2.93 3668 5.97 5382 6.06 11428 5.90 2007 2.19
2 2022-01-15 20583 4.49 824 6.67 1142 2.10 2903 4.79 4911 4.79 9306 4.82 1497 1.54
3 2022-01-22 17595 3.55 1187 3.54 947 1.37 2591 3.24 4354 3.79 7814 3.90 702 2.14
4 2022-01-29 14630 2.43 935 3.32 827 1.21 2367 1.61 3542 3.87 6356 2.03 603 1.66
5 2022-02-05 14285 2.28 859 1.51 667 1.05 2124 1.65 3006 3.76 6395 2.17 1234 1.46
6 2022-02-12 12590 2.18 998 1.70 749 1.47 1980 0.91 2187 5.49 5784 1.64 892 1.57
7 2022-02-19 11858 2.24 997 1.60 539 0.74 1940 0.98 2008 6.57 5366 1.60 1008 0.89
8 2022-02-26 10935 2.20 1018 1.57 581 0.34 1735 1.21 1718 6.34 5206 1.67 677 0.89
9 2022-03-05 10076 2.62 982 1.83 734 0.95 1843 1.03 1857 7.32 4115 1.92 545 0.92
10 2022-03-12 9339 3.27 914 1.86 720 0.42 1763 1.08 1811 10.38 3609 1.94 522 1.53
11 2022-03-19 8851 3.91 894 2.80 708 0.85 1652 1.27 1799 11.56 3479 2.07 319 4.39
12 2022-03-26 9093 4.04 1027 1.27 828 0.36 1765 0.96 1754 14.60 3343 1.76 376 5.05
13 2022-04-02 9835 4.27 1114 0.81 1012 0.10 1894 0.63 2200 14.05 3448 1.97 167 12.57
14 2022-04-09 10140 4.40 890 1.01 1105 0.18 1873 0.64 2697 12.53 3416 1.90 159 12.58
15 2022-04-16 11079 3.74 1063 1.98 1430 0.21 1908 1.21 2583 11.92 3960 1.21 135 8.15
16 2022-04-23 12932 3.20 1336 1.27 2447 0.12 1864 0.43 2982 10.26 4098 1.49 205 9.27
17 2022-04-30 15136 3.03 1657 1.33 3738 0.27 2162 1.43 3138 9.97 4223 1.47 218 9.63
18 2022-05-07 15539 2.50 2374 0.97 3807 0.13 2183 0.78 2881 8.85 4039 1.36 255 13.33
19 2022-05-14 14280 2.56 1438 1.32 3959 0.13 2065 0.77 2805 7.66 3743 1.66 270 18.15
20 2022-05-21 13457 2.65 1419 1.69 3481 0.14 2117 1.13 2425 7.18 3699 1.62 316 22.15
21 2022-05-28 13785 1.70 1836 1.31 3205 0.16 1985 1.21 3332 3.78 3346 1.52 81 4.94
22 2022-06-04 13238 2.05 1995 2.01 3026 0.20 1876 1.76 3063 4.44 3177 1.48 101 8.91
23 2022-06-11 11904 1.76 1507 1.86 3360 0.27 1182 1.61 2888 3.19 2896 1.66 71 18.31
24 2022-06-18 10836 1.68 1038 2.12 3298 0.24 1163 1.63 2558 3.32 2725 1.43 54 16.67

Positive human parainfluenza virus (HPIV) tests

Figure 5: Positive human parainfluenza virus (HPIV) tests (%) in Canada by region by surveillance week
Figure 5
Figure 5: 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 2021-09-04 2637 5.99 580 1.38 138 5.07 857 14.47 739 1.89 315 1.59
36 2021-09-11 2884 4.92 653 2.91 149 4.03 805 11.55 955 1.57 317 2.84
37 2021-09-18 3467 5.97 978 3.89 139 0.72 1100 10.73 858 3.03 386 6.22
38 2021-09-25 3783 4.73 1083 3.69 222 0.45 1113 8.18 857 2.33 506 5.34
39 2021-10-02 4050 8.12 1070 4.86 232 1.72 1461 13.07 765 5.88 517 7.16
40 2021-10-09 3822 8.19 721 6.38 314 1.27 1542 12.39 717 5.58 524 6.11
41 2021-10-16 3574 10.46 543 6.45 335 0.90 1461 13.76 725 7.31 510 16.08
42 2021-10-23 4017 10.01 628 5.41 454 0.44 1631 11.77 769 8.19 531 20.90
43 2021-10-30 4170 9.38 822 2.92 414 0.97 1541 11.29 778 8.10 608 20.72
44 2021-11-06 3942 10.27 415 10.84 293 0.34 1690 10.00 835 8.26 708 17.09
45 2021-11-13 4483 9.97 708 6.78 317 0.95 1772 8.47 864 9.72 819 19.78
46 2021-11-20 4413 8.29 597 4.02 349 0.57 1735 6.80 975 9.33 756 17.33
47 2021-11-27 4787 7.04 575 4.35 475 0.84 1968 5.95 1058 7.84 709 15.23
48 2021-12-04 4768 5.77 668 3.29 355 1.13 2055 3.94 960 7.60 723 13.14
49 2021-12-11 5520 3.97 684 1.02 317 0.63 2722 2.94 1063 7.34 733 7.09
50 2021-12-18 5852 3.23 677 2.51 356 1.69 3058 1.60 1020 6.18 741 7.29
51 2021-12-25 5476 3.01 311 0.64 383 3.39 3031 1.55 997 6.12 751 5.59
52 2022-01-01 5124 2.13 132 1.52 287 0.35 2746 0.87 1198 3.92 760 4.61
1 2022-01-08 5049 1.84 59 1.69 228 1.32 2757 0.62 1439 2.64 558 5.91
2 2022-01-15 5216 1.19 66 3.03 776 0.26 2166 0.32 1609 1.55 597 4.36
3 2022-01-22 4459 0.76 202 0.50 196 1.02 1892 0.26 1414 1.27 753 1.06
4 2022-01-29 4392 0.64 144 1.39 208 0.48 1846 0.27 1426 0.84 766 1.04
5 2022-02-05 3959 0.48 193 1.04 169 0.00 1623 0.12 1255 0.32 715 1.54
6 2022-02-12 3514 0.51 188 0.53 214 0.00 1486 0.20 972 0.51 651 1.38
7 2022-02-19 3163 0.44 233 0.00 166 0.60 1397 0.29 806 0.74 557 0.54
8 2022-02-26 3003 0.73 253 0.00 175 1.14 1262 0.16 732 1.09 579 1.73
9 2022-03-05 3180 0.60 206 0.49 190 1.05 1349 0.15 908 0.66 523 1.53
10 2022-03-12 3104 0.68 243 0.00 195 2.05 1266 0.16 863 0.58 531 1.69
11 2022-03-19 3039 0.66 245 0.82 245 0.41 1187 0.25 902 1.00 460 1.09
12 2022-03-26 3251 1.05 205 1.46 258 1.16 1288 0.78 914 0.55 580 2.24
13 2022-04-02 3446 1.39 227 1.32 251 3.59 1363 0.37 1026 1.27 577 3.12
14 2022-04-09 3646 1.18 196 1.53 332 3.01 1286 0.31 1282 1.64 544 0.92
15 2022-04-16 3858 1.35 206 1.46 419 3.10 1229 0.49 1309 1.99 694 0.58
16 2022-04-23 3829 2.19 277 0.36 273 6.59 1244 1.05 1370 2.48 660 2.58
17 2022-04-30 5179 1.78 849 2.36 630 1.27 1499 1.00 1428 2.17 769 2.34
18 2022-05-07 5948 2.07 1584 3.35 708 2.12 1401 0.71 1463 2.26 788 1.52
19 2022-05-14 4251 2.71 470 3.40 237 4.64 1412 1.13 1421 3.10 706 3.97
20 2022-05-21 4280 3.29 584 3.42 251 5.98 1460 2.53 1198 3.51 779 3.47
21 2022-05-28 4525 3.47 1090 4.86 191 6.81 1334 2.02 1122 3.12 775 3.48
22 2022-06-04 4432 3.32 1138 3.69 204 2.94 1230 2.60 1126 4.09 724 2.76
23 2022-06-11 3488 4.59 696 4.17 406 5.17 594 5.05 1132 5.21 651 3.23
24 2022-06-18 2815 4.87 267 3.37 406 6.65 589 6.45 1025 4.49 526 3.23

Positive adenovirus (ADV) tests

Figure 6: Positive adenovirus (ADV) tests (%) in Canada by region by surveillance week
Figure 6
Figure 6: 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 2021-09-04 2629 1.18 573 1.05 137 4.38 857 1.52 739 0.54 315 0.32
36 2021-09-11 2882 1.15 653 0.61 147 4.76 805 1.61 955 0.63 317 0.95
37 2021-09-18 3469 0.81 980 0.51 138 0.00 1101 1.45 858 0.23 386 1.04
38 2021-09-25 3780 0.82 1083 0.46 219 2.28 1113 0.54 857 0.47 506 2.17
39 2021-10-02 4051 1.14 1071 0.28 232 3.45 1461 1.37 765 1.18 517 1.16
40 2021-10-09 3822 1.31 721 0.14 314 1.91 1542 1.95 717 1.67 524 0.19
41 2021-10-16 3574 1.37 543 0.18 335 5.07 1461 1.57 725 0.97 510 0.20
42 2021-10-23 4018 2.54 628 0.00 455 11.87 1631 2.33 769 0.91 531 0.56
43 2021-10-30 4187 1.15 836 0.12 417 3.12 1541 1.56 778 1.03 608 0.33
44 2021-11-06 3942 1.42 415 0.96 293 1.02 1690 1.60 835 1.44 708 1.41
45 2021-11-13 4480 1.61 705 0.71 317 6.62 1772 1.47 864 1.04 819 1.22
46 2021-11-20 4421 2.51 598 0.50 356 7.30 1735 2.25 975 2.05 756 3.04
47 2021-11-27 4693 1.94 576 0.69 380 3.68 1968 2.69 1058 0.76 709 1.69
48 2021-12-04 4816 1.89 668 0.75 403 4.71 2055 1.95 960 1.46 723 1.80
49 2021-12-11 5614 2.48 684 0.88 411 4.87 2722 3.23 1063 1.03 733 1.91
50 2021-12-18 5999 2.72 677 0.74 503 6.56 3058 2.88 1020 1.67 741 2.70
51 2021-12-25 5474 2.54 314 1.59 378 7.41 3031 2.18 997 1.20 751 3.73
52 2022-01-01 5163 1.92 133 3.76 324 5.56 2747 1.49 1198 1.25 760 2.63
1 2022-01-08 5163 1.84 105 3.81 296 7.43 2757 1.38 1439 0.83 558 3.41
2 2022-01-15 4761 1.13 66 1.52 320 2.19 2167 0.51 1609 1.24 597 2.51
3 2022-01-22 4494 1.34 200 0.50 234 5.98 1892 1.16 1413 0.71 753 1.73
4 2022-01-29 4497 1.18 144 0.69 313 3.19 1846 1.14 1426 0.56 766 1.70
5 2022-02-05 3959 1.57 193 3.63 169 6.51 1623 1.42 1255 0.72 715 1.68
6 2022-02-12 3539 1.44 188 1.60 239 5.02 1486 1.14 972 0.62 651 2.00
7 2022-02-19 3163 1.52 233 2.58 166 7.83 1397 0.72 806 0.99 557 1.97
8 2022-02-26 3035 1.85 254 1.97 205 8.29 1263 0.87 732 1.78 579 1.73
9 2022-03-05 3206 1.90 207 1.93 215 7.44 1349 1.26 908 1.10 523 2.68
10 2022-03-12 3138 1.98 243 0.41 229 7.86 1266 1.11 863 1.74 531 2.64
11 2022-03-19 3039 1.88 245 1.63 245 4.90 1187 0.84 902 2.33 460 2.17
12 2022-03-26 3283 1.71 205 0.49 290 3.45 1288 1.40 914 1.97 580 1.55
13 2022-04-02 3486 2.29 227 0.44 291 8.93 1363 1.10 1026 1.95 577 3.12
14 2022-04-09 3686 1.74 196 1.53 372 4.84 1286 1.24 1282 1.17 544 2.21
15 2022-04-16 3922 1.71 206 2.43 483 2.48 1229 1.30 1309 1.38 694 2.31
16 2022-04-23 3920 1.84 277 1.08 364 4.95 1244 1.21 1370 1.39 660 2.58
17 2022-04-30 5401 1.37 848 0.59 852 2.82 1499 0.80 1429 1.26 769 1.82
18 2022-05-07 6208 1.32 1585 0.25 967 2.79 1401 1.36 1463 1.16 788 1.90
19 2022-05-14 4528 1.52 470 1.70 514 2.33 1412 1.42 1421 0.84 706 2.41
20 2022-05-21 4528 1.68 584 0.51 498 4.62 1461 1.10 1198 1.09 779 2.57
21 2022-05-28 4775 1.95 1090 0.37 440 5.23 1335 1.65 1122 2.14 775 2.58
22 2022-06-04 4680 1.56 1144 0.61 446 2.47 1230 1.87 1126 1.69 724 1.66
23 2022-06-11 3715 2.26 696 1.15 632 5.06 596 2.35 1131 1.77 651 1.54
24 2022-06-18 3051 2.29 267 1.87 641 3.74 589 2.04 1026 1.36 526 2.85

Positive human metapneumovirus (HMPV) tests

Figure 7: Positive human metapneumovirus (HMPV) tests (%) in Canada by region by surveillance week
Figure 7
Figure 7: 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 2021-09-04 2665 0.23 580 0.00 138 2.17 832 0.36 792 0.00 315 0.00
36 2021-09-11 2935 0.24 653 0.00 149 0.67 796 0.50 1015 0.20 317 0.00
37 2021-09-18 3488 0.17 978 0.00 138 1.45 1073 0.19 907 0.11 386 0.26
38 2021-09-25 3810 0.37 1083 0.00 219 1.83 1086 0.74 914 0.00 506 0.40
39 2021-10-02 4057 0.17 1070 0.00 232 0.86 1428 0.21 809 0.00 513 0.39
40 2021-10-09 3769 0.16 721 0.00 238 1.26 1503 0.20 779 0.00 524 0.00
41 2021-10-16 3495 0.20 543 0.18 229 0.87 1436 0.07 777 0.00 510 0.59
42 2021-10-23 3877 0.15 628 0.00 276 0.36 1611 0.12 827 0.00 531 0.56
43 2021-10-30 4115 0.36 836 0.00 313 3.51 1510 0.13 841 0.24 608 0.00
44 2021-11-06 3903 0.77 415 0.00 210 6.19 1663 0.24 906 0.33 708 1.41
45 2021-11-13 4537 0.64 705 0.14 325 4.92 1742 0.17 943 0.21 819 0.85
46 2021-11-20 4435 0.99 597 0.17 349 8.02 1704 0.35 1028 0.49 756 0.53
47 2021-11-27 4739 1.01 575 0.52 380 8.68 1968 0.46 1105 0.00 709 0.42
48 2021-12-04 4875 1.48 668 0.45 403 12.90 2055 0.44 1019 0.29 723 0.69
49 2021-12-11 5658 1.22 684 0.88 411 9.98 2721 0.55 1108 0.54 733 0.14
50 2021-12-18 5920 1.08 677 0.30 397 11.08 3057 0.46 1048 0.38 741 0.00
51 2021-12-25 5508 1.20 311 2.89 378 12.17 3031 0.13 1034 0.29 751 0.53
52 2022-01-01 5190 1.00 132 1.52 321 10.28 2746 0.36 1230 0.16 760 0.66
1 2022-01-08 5173 0.72 101 1.98 295 8.14 2757 0.07 1454 0.21 558 1.08
2 2022-01-15 4797 0.38 66 4.55 320 0.94 2166 0.14 1646 0.43 597 0.34
3 2022-01-22 4500 0.24 202 0.00 227 3.08 1890 0.00 1426 0.21 753 0.13
4 2022-01-29 4429 0.23 144 1.39 228 1.32 1846 0.16 1443 0.14 766 0.00
5 2022-02-05 4038 0.25 193 2.07 233 0.86 1623 0.12 1270 0.08 715 0.14
6 2022-02-12 3549 0.42 188 2.13 239 2.51 1486 0.07 982 0.20 651 0.31
7 2022-02-19 3179 0.44 233 0.86 166 4.22 1397 0.00 822 0.61 557 0.00
8 2022-02-26 3038 0.53 253 0.79 205 3.41 1259 0.08 740 0.68 579 0.17
9 2022-03-05 3233 0.40 206 0.00 235 2.13 1348 0.07 917 0.65 523 0.19
10 2022-03-12 3152 0.51 243 0.41 230 1.74 1266 0.24 876 0.80 531 0.19
11 2022-03-19 3048 0.59 245 1.22 245 1.63 1186 0.00 912 0.66 460 1.09
12 2022-03-26 3367 0.77 205 1.46 367 1.09 1287 0.23 922 1.08 580 1.03
13 2022-04-02 3506 1.28 227 2.20 291 1.72 1363 0.95 1046 1.53 577 1.04
14 2022-04-09 3731 1.45 196 3.57 372 1.88 1285 1.25 1328 1.66 544 0.37
15 2022-04-16 3952 1.52 206 1.46 483 1.86 1225 1.71 1343 1.49 694 1.01
16 2022-04-23 3938 2.18 277 2.17 363 2.20 1237 1.70 1396 2.72 660 1.97
17 2022-04-30 5458 2.40 849 2.36 857 1.75 1496 1.87 1483 3.24 769 2.60
18 2022-05-07 6238 2.55 1584 1.01 967 1.03 1401 3.43 1494 4.02 788 3.17
19 2022-05-14 4552 3.62 470 3.19 514 3.11 1412 4.04 1445 3.53 706 3.68
20 2022-05-21 4550 4.79 584 3.42 497 3.62 1454 6.33 1228 4.97 779 3.47
21 2022-05-28 4779 5.69 1090 1.83 441 3.40 1332 8.41 1128 6.12 775 7.23
22 2022-06-04 4676 5.22 1144 2.71 445 3.15 1230 8.05 1123 4.10 724 7.46
23 2022-06-11 3721 5.35 696 2.73 633 1.90 594 8.59 1138 6.50 651 6.61
24 2022-06-18 3051 5.80 267 6.74 639 1.88 589 9.85 1028 4.77 526 7.60

Positive enterovirus/rhinovirus (EV/RV) tests

Figure 8: Positive enterovirus/rhinovirus (EV/RV) tests (%) in Canada by region by surveillance week
Figure 8
Figure 8: 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 2021-09-04 2535 21.97 580 21.21 N.A. N.A. 857 26.49 739 21.52 311 14.15
36 2021-09-11 2745 18.62 653 15.62 N.A. N.A. 805 21.24 955 18.74 311 18.01
37 2021-09-18 3336 27.46 978 33.44 N.A. N.A. 1104 27.72 858 22.26 378 23.02
38 2021-09-25 3558 33.16 1083 43.40 N.A. N.A. 1113 31.63 857 25.20 497 27.97
39 2021-10-02 3821 30.02 1070 32.52 N.A. N.A. 1461 32.44 765 21.31 513 30.99
40 2021-10-09 3506 26.24 721 17.48 N.A. N.A. 1542 33.01 717 23.85 515 21.75
41 2021-10-16 3243 22.91 543 16.21 N.A. N.A. 1461 27.24 725 15.17 502 28.88
42 2021-10-23 3555 22.17 628 11.78 N.A. N.A. 1631 25.32 769 21.98 515 25.05
43 2021-10-30 3712 19.64 836 7.06 N.A. N.A. 1540 24.68 778 19.15 539 25.97
44 2021-11-06 3624 21.44 415 16.39 N.A. N.A. 1675 23.28 835 17.96 689 24.38
45 2021-11-13 4161 22.40 709 12.83 N.A. N.A. 1766 27.18 864 21.06 812 21.55
46 2021-11-20 4067 21.37 597 13.57 N.A. N.A. 1735 23.34 975 21.85 743 22.21
47 2021-11-27 4290 18.53 575 11.83 N.A. N.A. 1951 21.78 1058 16.07 694 18.88
48 2021-12-04 4431 16.61 668 10.93 N.A. N.A. 2053 18.56 960 15.31 708 17.23
49 2021-12-11 5206 14.56 684 11.11 N.A. N.A. 2713 14.19 1063 14.77 716 18.30
50 2021-12-18 5522 12.39 677 7.68 N.A. N.A. 3058 10.99 1020 13.24 734 20.57
51 2021-12-25 5104 9.95 311 9.00 N.A. N.A. 3031 7.06 997 12.04 733 18.55
52 2022-01-01 4854 7.70 132 11.36 N.A. N.A. 2746 5.39 1198 9.93 747 11.91
1 2022-01-08 4902 5.71 104 6.73 N.A. N.A. 2757 2.76 1439 7.23 544 15.26
2 2022-01-15 4472 3.98 66 1.52 N.A. N.A. 2166 1.85 1609 4.54 588 10.37
3 2022-01-22 4275 3.11 202 2.97 N.A. N.A. 1892 1.48 1413 4.18 732 5.19
4 2022-01-29 4204 2.59 144 1.39 N.A. N.A. 1846 1.08 1426 3.44 753 5.05
5 2022-02-05 3814 3.02 193 1.55 N.A. N.A. 1623 1.79 1255 4.46 700 3.71
6 2022-02-12 3317 3.86 188 1.06 N.A. N.A. 1486 2.49 972 4.63 645 6.82
7 2022-02-19 3015 4.44 233 0.43 N.A. N.A. 1397 3.08 806 3.85 553 10.13
8 2022-02-26 2841 6.30 253 1.98 N.A. N.A. 1262 5.07 732 6.56 571 10.51
9 2022-03-05 3002 7.76 206 6.80 N.A. N.A. 1349 6.15 908 7.82 514 12.45
10 2022-03-12 2926 8.20 243 5.35 N.A. N.A. 1266 6.08 863 9.04 523 13.38
11 2022-03-19 2822 8.93 245 7.35 N.A. N.A. 1187 7.67 902 9.76 452 12.17
12 2022-03-26 3052 9.47 205 3.41 N.A. N.A. 1288 6.75 914 11.71 572 14.51
13 2022-04-02 3246 8.44 227 9.25 N.A. N.A. 1363 7.34 1026 8.87 562 10.68
14 2022-04-09 3367 9.21 196 8.16 N.A. N.A. 1286 7.54 1282 10.53 530 10.57
15 2022-04-16 3461 9.10 206 12.62 N.A. N.A. 1229 6.35 1309 8.40 682 14.52
16 2022-04-23 3596 8.15 277 7.94 N.A. N.A. 1244 6.19 1370 7.66 645 12.40
17 2022-04-30 4628 7.71 849 7.07 N.A. N.A. 1499 7.47 1429 7.63 757 8.59
18 2022-05-07 5350 7.40 1584 6.44 N.A. N.A. 1401 6.85 1463 7.72 780 10.13
19 2022-05-14 4145 8.32 470 5.11 N.A. N.A. 1412 6.94 1421 8.30 701 12.98
20 2022-05-21 4141 9.03 584 5.82 N.A. N.A. 1460 7.67 1198 10.18 773 11.77
21 2022-05-28 4356 10.26 1090 8.35 N.A. N.A. 1334 9.07 1099 13.47 764 10.86
22 2022-06-04 4332 9.14 1204 7.39 N.A. N.A. 1230 7.48 1102 10.80 705 12.48
23 2022-06-11 3113 13.27 696 11.21 N.A. N.A. 594 12.79 1118 12.70 640 16.41
24 2022-06-18 2433 14.18 267 11.24 N.A. N.A. 589 14.43 1014 14.20 516 15.89

Positive human coronavirus (HCoV) tests

Figure 9: Positive human coronavirus (HCoV) tests (%) in Canada by region by surveillance week
Figure 9
Figure 9: 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 2021-09-04 1992 1.05 98 0.00 138 0.00 645 1.71 792 1.01 311 0.64
36 2021-09-11 2262 0.62 202 0.00 149 0.00 584 1.03 1015 0.69 307 0.33
37 2021-09-18 2477 0.44 247 0.40 131 0.00 809 0.49 906 0.55 378 0.26
38 2021-09-25 2552 0.67 130 0.00 221 0.00 788 1.14 914 0.88 497 0.00
39 2021-10-02 2721 0.62 120 0.00 232 0.43 1042 0.38 809 1.48 513 0.00
40 2021-10-09 2986 0.57 332 0.30 238 0.00 1118 0.81 779 0.77 515 0.19
41 2021-10-16 2844 1.69 250 1.60 335 0.90 1032 1.55 725 2.90 502 0.80
42 2021-10-23 3351 1.07 353 0.28 453 0.22 1200 1.33 827 1.81 515 0.58
43 2021-10-30 3332 1.05 601 0.67 313 0.64 1042 1.34 778 1.80 593 0.17
44 2021-11-06 3029 2.21 154 3.90 210 2.38 1069 1.87 906 3.64 689 0.44
45 2021-11-13 3464 2.54 326 0.92 317 0.32 1142 2.19 864 6.71 812 0.12
46 2021-11-20 3478 3.05 310 2.90 349 0.86 1047 2.77 1028 4.96 743 1.88
47 2021-11-27 3898 3.93 305 3.61 475 1.47 1317 3.80 1105 6.88 694 1.30
48 2021-12-04 3792 4.96 368 4.89 465 1.94 1225 4.90 1019 8.93 708 1.41
49 2021-12-11 3830 6.58 369 5.42 356 1.97 1281 7.18 1108 11.01 715 1.54
50 2021-12-18 3815 7.29 356 6.18 496 3.02 1181 9.31 1048 10.21 734 3.27
51 2021-12-25 3131 8.18 69 10.14 378 2.91 914 10.83 1034 10.15 733 4.64
52 2022-01-01 3204 10.36 124 14.52 320 2.50 782 14.58 1230 11.63 747 6.56
1 2022-01-08 3367 9.27 99 4.04 296 8.45 966 10.87 1454 9.42 544 7.54
2 2022-01-15 3364 7.49 59 3.39 412 1.21 657 11.26 1646 8.81 588 4.42
3 2022-01-22 3100 4.97 186 1.08 226 2.65 529 6.43 1425 6.32 732 3.01
4 2022-01-29 3211 3.92 108 0.00 312 3.21 593 6.24 1443 4.92 753 1.06
5 2022-02-05 2755 2.83 68 1.47 233 2.15 480 3.33 1270 3.15 700 2.29
6 2022-02-12 2329 3.01 84 0.00 239 1.26 376 3.72 982 3.67 645 2.64
7 2022-02-19 2037 3.24 100 0.00 201 1.00 357 3.64 822 4.38 553 2.71
8 2022-02-26 1962 3.67 124 0.81 194 2.06 331 4.83 740 2.16 571 6.13
9 2022-03-05 2136 3.32 106 0.94 208 0.48 387 6.72 917 2.29 514 4.28
10 2022-03-12 2148 3.86 104 0.96 274 1.09 365 4.93 876 2.97 523 6.69
11 2022-03-19 2064 3.25 104 2.88 275 0.73 321 5.30 912 2.85 452 4.20
12 2022-03-26 2376 4.38 83 1.20 363 1.93 431 5.57 922 3.15 571 7.36
13 2022-04-02 2471 4.45 83 1.20 328 2.13 450 5.78 1046 2.68 562 8.54
14 2022-04-09 2733 4.24 83 6.02 318 4.09 468 3.85 1328 3.39 530 6.60
15 2022-04-16 3079 5.00 105 6.67 465 3.44 484 6.40 1342 2.83 682 9.09
16 2022-04-23 3156 4.91 197 2.03 327 6.73 586 5.97 1396 3.08 645 7.91
17 2022-04-30 3788 4.91 102 4.90 723 5.26 720 5.83 1482 2.56 757 8.32
18 2022-05-07 3834 4.80 91 4.40 801 3.87 664 8.13 1494 2.48 780 7.44
19 2022-05-14 3315 4.37 122 4.92 384 5.47 667 6.60 1438 2.36 701 5.71
20 2022-05-21 3177 4.53 142 8.45 362 3.59 667 7.05 1228 2.12 773 5.95
21 2022-05-28 2883 3.64 134 1.49 304 7.24 541 4.25 1132 2.12 764 4.45
22 2022-06-04 2859 3.78 146 4.79 324 5.25 581 6.20 1127 2.57 675 2.81
23 2022-06-11 2970 2.93 153 3.27 503 3.18 525 5.33 1140 1.75 640 2.81
24 2022-06-18 2734 3.15 131 0.76 526 3.80 531 4.90 1028 2.33 516 2.91

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