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Respiratory Virus Report, week 29 - ending July 24, 2021

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Organization: Public Health Agency of Canada

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Abbreviations:
Flu
Influenza
A(H1)pdm09
Influenza A(H1N1)pdm09
A(H3)
Influenza A(H3N2)
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
CHEO
Children's Hospital of Eastern Ontario
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

The Respiratory Virus Detection Surveillance System collects data from select laboratories across Canada on the number of tests performed and the number of tests positive for influenza and other respiratory viruses. Data are reported on a weekly basis year-round to the Centre for Immunization and Respiratory Infectious Diseases (CIRID), Public Health Agency of Canada. These data are also summarized in the weekly FluWatch report.

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

Respiratory virus detections

Table 1: Respiratory virus detections for the week ending July 24, 2021 (surveillance week 2021-29)
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 188 0 0 0 0 0 188 0 188 0 0 0 0 0 188 0 188 0 93 2 N.C. N.C.
Prince Edward Island 38 0 0 0 0 0 38 0 38 0 0 0 0 0 38 1 38 0 38 10 38 0
Nova Scotia 25 0 0 0 0 0 35 0 33 0 0 0 0 0 33 0 33 0 33 1 33 0
New Brunswick 49 0 0 0 0 0 33 0 17 0 0 0 0 0 17 0 17 0 17 2 17 0
Atlantic 300 0 0 0 0 0 294 0 276 0 0 0 0 0 276 1 276 0 181 15 88 0
Région Nord-Est 434 0 0 0 0 0 19 0 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Québec-Chaudière-Appalaches 5 0 0 0 0 0 3 0 38 0 0 7 0 0 38 2 38 0 N.C. N.C. 38 0
Centre-du-Québec 9 0 0 0 0 0 9 0 12 0 0 0 0 0 12 1 12 0 N.C. N.C. 12 0
Montréal-Laval   467 0 0 0 0 0 466 34 180 0 0 21 0 0 180 6 180 0 N.C. N.C. 180 6
Ouest du Québec 64 0 0 0 0 0 12 1 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Montérégie 10 0 0 0 0 0 10 1 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Province of Québec 989 0 0 0 0 0 519 36 230 0 0 28 0 0 230 9 230 0 N.C. N.C. 230 6
P.H.O.L. - Ottawa 10 0 0 0 0 0 10 0 9 0 0 0 0 0 9 0 9 0 9 0 9 0
CHEO - Ottawa 60 0 0 0 0 0 60 0 12 0 0 0 0 0 12 1 12 0 12 3 12 1
P.H.O.L. - Kingston 2 0 0 0 0 0 2 0 1 0 0 0 0 0 1 0 1 0 1 0 1 0
UHN / Mount Sinai Hospital 330 0 0 0 0 0 330 0 9 0 0 0 0 0 9 0 9 0 9 0 9 0
P.H.O.L. - Toronto   95 0 0 0 0 0 95 0 86 0 0 0 0 0 86 1 86 1 86 7 86 0
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 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. - Timmins 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
St. Joseph's - London   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. - London 11 0 0 0 0 0 11 0 7 0 0 0 0 0 7 0 7 0 7 0 7 0
P.H.O.L. - Orillia 4 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
P.H.O.L. - Thunder Bay 3 0 0 0 0 0 3 0 3 0 0 0 0 0 3 0 3 0 3 2 3 0
P.H.O.L. - Sudbury 8 0 0 0 0 0 8 1 6 0 0 0 0 0 6 0 6 0 6 1 6 1
P.H.O.L. - Hamilton 11 0 1 0 1 0 10 0 9 0 0 0 0 0 9 0 9 0 9 0 9 0
P.H.O.L. - Peterborough 6 0 0 0 0 0 6 0 6 0 0 0 0 0 6 0 6 0 6 0 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 540 0 1 0 1 0 539 1 148 0 0 0 0 0 148 2 148 1 148 13 148 2
Province of Manitoba    1231 0 0 0 0 0 1231 0 36 0 0 1 0 0 36 0 76 0 36 1 76 1
Province of Saskatchewan 26 0 0 0 0 0 26 0 33 0 0 0 0 0 33 0 33 0 33 11 33 0
Province of Alberta 1220 0 0 0 0 0 447 0 447 0 0 0 0 0 447 2 447 0 447 178 447 3
Prairies 2477 0 0 0 0 0 1704 0 516 0 0 1 0 0 516 2 556 0 516 190 556 4
British Columbia 461 0 0 0 0 0 460 0 174 0 0 0 0 0 174 1 174 1 174 21 174 1
Yukon 118 0 0 0 0 0 118 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 2 0 0 0 0 0 2 0 2 0 0 0 0 0 2 0 2 0 2 2 2 0
Nunavut 1 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 1 0 1 1 1 0
Territories 121 0 0 0 0 0 121 0 3 0 0 0 0 0 3 0 3 0 3 3 3 0
CANADA 4888 0 1 0 1 0 3637 37 1347 0 0 29 0 0 1347 15 1387 2 1022 242 1199 13

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.

Specimens from Yukon (YT), Northwest Territories (NT) and Nunavut (NU) are sent to reference laboratories in other provinces and reported results reflect specimens identified as originating from YT, NT or NU.

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.

Influenza co-detections may cause the sum of A(H1)pdm09, A(H3), and A(UnS) positive results to exceed the sum of Total Flu A Positive results.

Table 2: Cumulative respiratory virus detections from August 23, 2020 to July 24, 2021 (surveillance week 2020-35 to 2021-29)
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 14073 0 0 0 0 0 14072 10 14072 1 0 3 0 0 14085 57 13485 2 13455 2211 N.C. N.C.
Prince Edward Island 4221 0 0 0 0 0 4221 4 4217 3 0 0 1 0 4217 43 4217 0 4217 492 4217 2
Nova Scotia 8649 0 0 0 0 0 8662 0 1505 0 10 0 1 0 1505 16 1505 1 1505 89 1533 0
New Brunswick 54748 0 0 0 0 1 20639 0 1705 0 0 0 0 0 1696 11 1696 0 1696 64 1651 2
Atlantic 81691 0 0 0 0 1 47594 14 21499 4 10 3 2 0 21503 127 20903 3 20873 2856 7401 4
Région Nord-Est 10280 0 0 0 0 0 1255 1 8 0 0 0 0 0 8 1 8 0 N.C. N.C. 8 0
Québec-Chaudière-Appalaches 921 0 0 1 1 0 1042 3 896 0 0 46 1 0 898 52 893 0 N.C. N.C. 876 31
Centre-du-Québec 977 0 0 0 0 0 985 2 477 0 0 17 0 0 475 26 477 0 N.C. N.C. 474 17
Montréal-Laval   12524 0 0 0 0 0 11567 296 5302 88 0 143 0 0 5356 197 5286 4 N.C. N.C. 5286 139
Ouest du Québec 2629 0 0 0 0 0 2520 1 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Montérégie 1271 0 0 0 0 0 1271 3 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Province of Québec 28602 0 0 1 1 0 18640 306 6683 88 0 206 1 0 6737 276 6664 4 N.C. N.C. 6644 187
P.H.O.L. - Ottawa 673 0 0 0 0 0 673 1 562 0 0 0 0 0 562 0 561 0 562 26 561 2
CHEO - Ottawa 5481 0 0 1 1 1 5078 5 1148 0 0 3 0 0 1023 17 1023 1 1023 114 1023 7
P.H.O.L. - Kingston 921 0 0 1 1 0 921 0 595 0 0 0 0 0 595 5 588 0 595 109 588 0
UHN / Mount Sinai Hospital 16917 2 0 2 4 1 16848 7 10711 3 2 5 8 0 9085 10 10671 10 10468 105 8507 7
P.H.O.L. - Toronto   7249 0 0 0 0 0 7246 3 6214 0 0 0 0 4 6215 20 6212 3 6214 181 6212 6
Sick Kids Hospital - Toronto 1380 0 0 0 0 0 0 0 1380 0 0 1 0 0 1380 21 1380 0 1380 134 1380 1
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 179 0 0 2 2 0 177 0 103 0 0 0 0 0 103 0 103 0 103 6 103 0
P.H.O.L. - Timmins 635 0 0 0 0 0 635 0 175 0 0 0 0 0 175 1 174 0 175 32 174 0
St. Joseph's - London   218 0 0 0 0 0 218 0 55 0 0 0 0 0 55 0 55 0 91 8 36 0
P.H.O.L. - London 2018 1 0 5 6 2 2008 0 1346 0 0 0 0 2 1346 2 1340 0 1346 127 1340 3
P.H.O.L. - Orillia 424 0 0 1 1 0 422 0 204 0 0 0 0 0 204 2 204 0 204 12 204 0
P.H.O.L. - Thunder Bay 429 0 0 0 0 0 429 0 409 0 0 0 0 0 410 3 409 0 409 142 409 0
P.H.O.L. - Sudbury 534 0 0 0 0 0 532 1 353 0 0 0 0 4 353 3 353 0 353 31 353 6
P.H.O.L. - Hamilton 1587 0 1 0 1 0 1531 1 1274 0 0 0 0 0 1274 2 1274 0 1274 103 1274 0
P.H.O.L. - Peterborough 575 0 0 1 1 0 529 0 416 0 0 0 0 0 416 0 415 0 416 26 415 0
St. Joseph's - Hamilton 10624 0 0 0 0 0 10624 3 10624 0 0 4 0 0 10624 24 10624 0 10624 486 0 0
Province of Ontario 49844 3 1 13 17 4 47871 21 35569 3 2 13 8 10 33820 110 35386 14 35237 1642 22579 32
Manitoba    66829 0 1 3 4 2 66819 69 2928 0 1 3 0 0 2928 20 4127 1 2928 181 4127 7
Province of Saskatchewan 172115 0 0 1 1 0 27248 4 2177 0 0 1 1 0 2177 18 2177 4 2177 232 2177 14
Province of Alberta 136227 0 0 1 1 0 80849 0 80849 2 20 7 10 0 80849 170 80849 11 80849 7285 80849 36
Prairies 375171 0 1 5 6 2 174916 73 85954 2 21 11 11 0 85954 208 87153 16 85954 7698 87153 57
British Columbia 92426 3 8 1 10 8 91926 6 20664 2 4 1 14 6 21210 137 20839 70 20623 1692 16469 26
Yukon 7618 0 0 8 8 7 7527 4 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 1224 0 0 0 0 0 1167 0 1167 0 0 0 1 0 1167 12 1167 1 1167 329 1167 1
Nunavut 1128 0 0 0 0 0 1104 0 1104 3 1 0 0 0 1104 25 1104 5 1104 283 192 0
Territories 9970 0 0 8 8 7 9798 4 2271 3 1 0 1 0 2271 37 2271 6 2271 612 1359 1
CANADA 637704 6 10 28 42 22 390745 424 172640 102 38 234 37 16 171495 895 173216 113 164958 14500 141605 307

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.

Specimens from Yukon (YT), Northwest Territories (NT) and Nunavut (NU) are sent to reference laboratories in other provinces and reported results reflect specimens identified as originating from YT, NT or NU.

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.

Influenza co-detections may cause the sum of A(H1N1)pdm09, A(H3), and A(UnS) positive results to exceed the sum of Total Flu A Positive results.

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 is 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 Can A% Max A% Base Min A% Base Av A% Base Can B% Max B% Base Min B% Base Av B% Base Can RSV% Max RSV% Base Min RSV% Base Av RSV% Base Can HPIV% Max HPIV% Base Min HPIV% Base Av HPIV% Base Can ADV% Max ADV% Base Min ADV% Base Av ADV% Base Can HMPV% Max HMPV% Base Min HMPV% Base Av HMPV% Base Can EV/RV% Max EV/RV% Base Min EV/RV% Base Av EV/RV% Base Can HCoV% Max HCoV% Base Min HCoV% Base Av HCoV% Base
35 2020-08-29 0.00 1.60 0.11 0.68 0.02 0.28 0.00 0.13 0.02 1.34 0.38 0.60 0.08 3.16 1.15 2.42 0.27 1.74 0.99 1.43 0.17 2.04 0.10 0.77 9.07 27.19 22.44 24.78 0.06 0.76 0.18 0.45
36 2020-09-05 0.00 2.11 0.23 0.98 0.00 0.55 0.00 0.15 0.04 1.09 0.22 0.57 0.20 3.31 1.35 2.32 0.40 2.85 1.42 1.87 0.06 0.84 0.10 0.48 8.13 30.69 23.30 26.31 0.00 0.38 0.12 0.22
37 2020-09-12 0.00 1.59 0.36 0.87 0.00 0.19 0.04 0.12 0.02 1.37 0.31 0.64 0.13 3.26 1.65 2.40 0.35 2.44 1.38 1.86 0.05 1.61 0.00 0.51 8.07 33.58 27.74 31.68 0.05 0.56 0.00 0.26
38 2020-09-19 0.02 2.15 0.43 1.16 0.00 0.21 0.00 0.14 0.10 1.24 0.37 0.64 0.07 2.87 1.92 2.33 0.58 2.04 1.11 1.63 0.02 1.43 0.06 0.47 15.67 39.57 32.80 35.33 0.00 1.36 0.06 0.43
39 2020-09-26 0.00 2.65 0.57 1.53 0.00 0.29 0.09 0.18 0.05 1.29 0.41 0.68 0.02 3.01 1.70 2.24 0.19 2.27 1.04 1.66 0.04 0.72 0.05 0.28 24.12 40.59 34.87 37.68 0.05 0.66 0.07 0.45
40 2020-10-03 0.00 2.17 1.01 1.58 0.00 0.20 0.05 0.11 0.07 1.39 0.34 0.67 0.02 3.28 1.90 2.43 0.44 2.25 1.39 1.82 0.00 0.92 0.05 0.34 16.62 41.29 33.00 35.43 0.09 1.08 0.22 0.58
41 2020-10-10 0.01 2.66 1.05 1.57 0.00 0.36 0.03 0.16 0.10 1.74 0.58 0.98 0.06 3.70 1.94 2.74 0.37 1.91 1.28 1.70 0.19 0.95 0.04 0.46 15.48 33.62 26.94 29.81 0.02 0.70 0.00 0.33
42 2020-10-17 0.00 2.96 0.77 1.92 0.00 0.45 0.05 0.25 0.07 2.11 0.63 1.14 0.06 3.89 2.64 3.20 0.47 2.38 1.47 1.86 0.06 0.89 0.15 0.38 13.60 32.62 24.54 27.82 0.00 1.18 0.20 0.49
43 2020-10-24 0.01 5.23 0.68 2.60 0.00 0.55 0.06 0.23 0.07 2.16 0.55 1.32 0.07 3.98 3.18 3.56 0.37 2.42 1.63 1.96 0.02 1.64 0.12 0.57 13.14 28.73 21.67 24.95 0.00 2.35 0.27 0.75
44 2020-10-31 0.04 8.42 1.08 3.39 0.03 0.71 0.12 0.31 0.05 3.35 0.83 1.92 0.03 4.81 2.94 3.70 0.22 2.88 1.18 2.20 0.13 1.08 0.23 0.47 9.23 23.82 16.75 21.34 0.00 2.59 0.21 0.88
45 2020-11-07 0.02 9.83 1.18 4.19 0.02 0.97 0.22 0.44 0.04 4.43 1.29 2.59 0.01 5.42 2.53 4.01 0.33 2.68 2.02 2.42 0.01 1.30 0.04 0.77 9.70 23.08 15.17 20.56 0.03 2.74 0.52 0.96
46 2020-11-14 0.03 13.95 1.42 5.47 0.01 1.49 0.09 0.58 0.06 6.33 1.38 3.29 0.04 5.72 1.62 4.19 0.30 2.90 1.99 2.53 0.04 1.43 0.18 0.79 9.02 22.77 15.28 19.27 0.03 3.32 0.46 1.25
47 2020-11-21 0.03 15.24 1.25 6.91 0.04 2.13 0.13 0.80 0.03 8.69 1.79 4.46 0.06 7.00 2.36 4.72 0.32 2.95 1.83 2.35 0.02 2.02 0.09 0.89 8.44 20.84 12.15 16.09 0.04 3.26 0.37 1.25
48 2020-11-28 0.04 18.07 0.76 9.40 0.01 3.18 0.08 1.20 0.02 9.47 3.11 5.72 0.02 6.14 3.03 4.18 0.35 3.34 1.66 2.48 0.02 1.94 0.31 1.08 7.94 16.72 12.69 13.83 0.02 4.30 1.00 2.04
49 2020-12-05 0.03 19.52 1.43 11.41 0.01 4.21 0.19 1.60 0.06 12.26 4.87 7.12 0.00 5.65 2.94 4.19 0.54 3.03 1.84 2.49 0.05 2.80 0.49 1.46 6.21 16.32 10.72 13.07 0.05 5.19 0.84 2.52
50 2020-12-12 0.01 26.42 1.97 14.27 0.01 7.95 0.15 2.55 0.07 13.19 5.39 7.93 0.06 5.95 2.54 4.27 0.51 3.27 1.49 2.45 0.02 3.32 0.46 1.70 6.62 13.85 8.43 10.90 0.11 6.04 1.54 3.16
51 2020-12-19 0.01 28.53 2.27 16.81 0.01 10.44 0.19 3.30 0.07 15.23 6.52 9.27 0.04 6.71 2.94 3.95 0.58 3.20 1.36 2.04 0.04 4.39 0.37 2.44 5.65 14.18 8.81 10.48 0.05 6.68 1.87 3.72
52 2020-12-26 0.00 33.97 3.30 20.41 0.00 12.73 0.23 4.07 0.01 17.80 6.83 10.39 0.03 5.08 2.87 3.75 0.48 2.59 1.20 1.76 0.11 3.81 0.41 2.44 6.53 14.41 6.24 9.23 0.07 6.73 2.78 4.75
53 2021-01-02 0.02 30.93 4.58 19.55 0.00 10.34 0.22 3.86 0.04 15.62 7.12 10.17 0.12 5.08 2.68 3.34 0.81 2.67 0.85 1.54 0.06 4.45 0.28 2.70 5.43 11.09 4.36 7.42 0.12 7.77 3.07 5.16
1 2021-01-09 0.00 26.80 5.46 19.10 0.00 11.01 0.29 3.91 0.07 14.05 6.60 9.63 0.08 4.12 2.46 3.05 0.82 2.15 0.87 1.37 0.03 4.76 0.42 2.66 5.18 9.55 4.31 6.79 0.16 7.89 2.84 5.44
2 2021-01-16 0.02 28.20 9.13 18.94 0.01 12.75 0.35 4.69 0.03 15.56 6.72 10.32 0.05 3.25 2.59 2.82 0.40 2.10 1.15 1.45 0.11 5.56 0.47 3.13 3.56 8.42 4.44 6.01 0.26 7.90 4.17 6.11
3 2021-01-23 0.00 27.01 12.34 18.81 0.00 12.74 0.41 5.15 0.05 15.88 7.02 11.23 0.06 3.12 1.77 2.55 0.46 1.83 1.11 1.49 0.12 5.19 0.55 3.01 3.87 9.04 4.89 6.41 0.16 7.86 3.79 6.08
4 2021-01-30 0.00 23.66 15.78 19.14 0.00 14.84 0.41 5.76 0.04 16.33 7.17 11.49 0.06 3.48 1.70 2.39 0.29 1.93 1.36 1.62 0.16 5.70 0.58 3.29 4.76 9.79 6.06 6.94 0.13 8.49 4.55 6.84
5 2021-02-06 0.02 23.36 15.63 18.79 0.00 16.23 0.44 6.21 0.08 15.79 6.52 11.70 0.10 2.89 1.57 2.19 0.54 1.74 1.25 1.51 0.19 5.57 0.65 3.39 5.08 9.89 6.16 6.98 0.20 8.57 3.48 6.75
6 2021-02-13 0.01 24.22 15.48 18.52 0.00 17.02 0.35 6.54 0.02 15.53 6.95 11.26 0.00 3.20 1.42 2.12 0.49 1.61 1.30 1.51 0.14 6.05 1.45 3.94 5.56 8.95 6.00 7.02 0.13 8.02 4.35 6.54
7 2021-02-20 0.00 28.62 12.42 18.53 0.00 16.79 0.45 6.60 0.05 15.47 6.64 10.63 0.16 3.21 1.31 2.25 0.72 2.00 1.38 1.67 0.04 5.74 1.19 4.08 4.77 8.35 5.20 6.94 0.14 8.29 4.21 6.60
8 2021-02-27 0.00 29.30 11.04 18.35 0.00 15.45 0.74 6.24 0.01 15.62 6.54 10.04 0.07 3.35 1.41 2.44 0.86 1.92 1.09 1.40 0.11 6.42 1.87 4.38 5.48 9.04 5.73 7.75 0.36 8.01 5.09 6.86
9 2021-03-06 0.00 29.65 8.51 16.81 0.00 14.86 0.81 6.41 0.00 14.97 6.35 9.37 0.06 4.18 1.19 2.69 0.38 2.23 1.50 1.78 0.00 6.74 2.26 4.80 4.62 10.16 5.55 8.08 0.34 8.34 4.28 7.01
10 2021-03-13 0.01 24.27 6.74 14.55 0.00 13.11 1.05 6.86 0.03 12.11 6.29 8.83 0.19 4.58 1.35 3.00 0.63 2.32 1.23 1.69 0.11 7.94 2.52 4.71 4.08 9.45 7.15 8.24 0.33 8.02 4.35 6.23
11 2021-03-20 0.00 20.91 5.51 12.67 0.00 11.53 1.51 7.43 0.07 10.70 6.46 8.12 0.00 4.95 1.26 3.34 0.35 2.13 1.84 1.97 0.14 6.69 3.65 5.19 4.61 10.26 8.71 9.66 0.54 6.99 3.95 5.69
12 2021-03-27 0.00 18.09 4.67 11.66 0.00 12.55 1.98 7.90 0.04 9.32 6.45 7.64 0.18 5.21 1.48 3.68 0.35 2.12 1.37 1.70 0.07 6.90 3.95 5.18 4.86 12.58 7.69 10.26 0.30 8.16 3.65 5.46
13 2021-04-03 0.00 17.83 3.21 9.98 0.00 13.12 2.12 7.88 0.08 8.09 5.32 6.44 0.00 6.26 1.67 4.31 0.34 2.31 1.50 1.86 0.04 7.70 4.14 6.00 5.49 13.59 8.60 12.03 0.41 7.79 3.84 4.87
14 2021-04-10 0.01 17.75 2.18 8.72 0.00 12.22 2.00 7.55 0.11 7.73 4.64 5.97 0.12 6.94 1.97 4.61 0.98 2.62 1.64 2.12 0.04 7.47 3.81 5.94 8.23 14.59 9.44 13.16 1.07 5.52 3.23 4.24
15 2021-04-17 0.00 13.67 2.13 6.80 0.00 11.94 2.56 7.68 0.23 6.64 4.40 5.40 0.16 7.88 1.97 5.20 0.82 3.21 1.85 2.32 0.04 7.16 3.71 5.90 6.18 16.10 10.84 13.78 0.69 4.99 3.51 4.32
16 2021-04-24 0.00 11.31 1.28 5.34 0.00 12.18 2.94 7.49 0.21 5.79 3.52 4.58 0.61 8.67 2.07 6.01 0.35 2.54 1.70 2.10 0.04 6.58 4.68 5.64 7.23 18.29 13.64 16.16 0.96 4.11 2.54 3.37
17 2021-05-01 0.00 8.05 0.89 3.95 0.00 10.20 2.62 6.31 0.27 4.86 2.78 3.62 0.08 8.42 3.19 5.85 0.77 2.89 1.36 2.23 0.00 6.37 3.14 5.08 5.63 20.03 12.39 16.31 0.69 4.00 2.36 3.09
18 2021-05-08 0.00 8.27 0.90 3.26 0.00 9.33 2.12 5.72 0.24 4.61 2.30 3.16 0.21 9.09 3.67 5.95 0.98 2.63 1.66 2.07 0.04 7.46 3.23 4.80 7.40 21.71 15.70 19.30 0.86 3.71 1.58 2.36
19 2021-05-15 0.01 6.42 0.56 2.33 0.01 7.59 1.12 4.89 0.18 4.46 1.59 2.66 0.05 8.60 3.90 6.75 0.71 3.35 1.79 2.44 0.14 6.85 2.55 4.99 8.13 24.52 16.67 19.75 0.75 3.31 1.87 2.49
20 2021-05-22 0.01 4.40 0.12 1.67 0.00 5.43 0.91 3.93 0.25 4.10 1.23 2.13 0.25 9.56 6.00 7.27 1.05 3.51 1.41 2.39 0.10 6.80 3.22 4.63 6.36 25.86 16.41 21.07 1.17 2.37 1.10 1.74
21 2021-05-29 0.00 2.98 0.29 1.35 0.00 3.51 0.53 2.51 0.26 3.72 0.86 1.71 0.35 8.71 5.94 6.99 0.82 3.45 1.91 2.79 0.11 5.39 2.43 3.84 4.59 23.76 17.55 20.50 0.69 2.06 0.56 1.23
22 2021-06-05 0.00 2.55 0.56 1.07 0.00 2.78 0.32 1.79 0.18 3.38 0.77 1.56 0.18 9.74 5.14 6.94 0.72 2.72 1.69 2.18 0.06 4.49 2.25 3.18 6.17 23.65 18.15 21.01 0.75 1.86 0.47 1.08
23 2021-06-12 0.02 2.82 0.30 0.93 0.00 2.11 0.27 1.32 0.32 3.22 0.50 1.37 1.52 8.25 5.76 7.01 1.43 3.80 1.96 2.89 0.12 3.48 1.85 2.67 8.01 26.76 20.72 23.68 0.62 1.54 0.88 1.19
24 2021-06-19 0.03 2.78 0.32 0.97 0.00 1.35 0.32 0.91 0.31 2.91 0.42 1.05 2.40 7.61 4.34 6.13 1.38 3.30 1.80 2.63 0.00 4.18 0.89 2.01 8.13 26.73 20.65 23.03 0.50 1.55 0.66 1.09
25 2021-06-26 0.00 2.04 0.48 1.08 0.00 1.08 0.21 0.73 0.27 2.06 0.26 0.79 2.57 8.72 4.97 6.42 1.18 3.49 1.55 2.43 0.12 4.28 0.60 2.05 9.36 30.25 22.65 25.25 0.54 1.77 0.36 0.76
26 2021-07-03 0.00 1.90 0.30 1.06 0.00 1.04 0.06 0.42 0.44 1.85 0.30 0.81 4.25 8.37 3.78 6.03 1.09 4.02 1.86 2.67 0.00 2.35 1.08 1.69 12.72 29.34 21.60 24.75 0.88 1.29 0.30 0.68
27 2021-07-10 0.00 1.35 0.34 0.65 0.00 0.59 0.00 0.26 0.11 1.48 0.35 0.67 2.41 8.38 3.40 5.36 1.31 3.02 1.87 2.55 0.07 2.28 0.44 1.22 14.81 25.35 22.07 23.65 0.17 1.17 0.30 0.60
28 2021-07-17 0.00 1.38 0.47 0.93 0.00 0.40 0.00 0.15 0.82 1.28 0.11 0.48 3.96 6.57 3.76 4.83 1.03 3.00 1.78 2.28 0.06 1.58 0.66 0.94 18.27 22.73 20.04 21.41 0.89 1.32 0.17 0.69
29 2021-07-24 0.02 1.29 0.40 0.75 0.00 0.31 0.06 0.15 1.02 1.96 0.14 0.64 2.15 7.25 2.75 4.60 1.11 2.97 1.60 2.26 0.14 1.47 0.24 0.87 23.68 21.00 18.90 20.22 1.08 1.33 0.27 0.53

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 3 10 6 322 2 1 1
36 7 14 2 279 0 2 0
37 5 14 2 312 2 1 0
38 3 24 1 645 0 6 1
39 1 9 2 1121 2 3 0
40 1 22 0 811 4 5 0
41 3 18 9 729 1 7 1
42 3 23 3 647 0 5 0
43 4 21 1 720 0 6 1
44 2 15 9 610 0 5 7
45 1 25 1 731 2 4 4
46 3 23 3 678 2 7 4
47 5 25 2 669 3 4 9
48 2 28 2 662 1 3 10
49 0 30 3 370 2 7 8
50 3 28 1 353 4 7 2
51 2 27 2 244 2 6 2
52 1 18 4 238 2 1 0
53 4 27 2 173 3 3 2
1 3 32 1 195 5 6 0
2 2 15 4 130 8 5 5
3 2 15 4 120 4 4 0
4 2 9 5 142 3 3 0
5 3 17 6 155 5 6 2
6 0 15 4 162 3 2 3
7 4 18 1 110 3 4 2
8 2 23 3 139 8 1 0
9 2 12 0 139 8 0 0
10 6 20 3 124 8 3 2
11 0 10 4 124 12 7 0
12 5 10 2 132 7 4 0
13 0 9 1 137 9 8 0
14 3 24 1 187 21 10 2
15 4 20 1 141 13 20 0
16 14 8 1 153 17 21 0
17 2 19 0 131 14 28 1
18 5 23 1 161 17 23 0
19 1 15 3 158 13 14 2
20 5 21 2 120 19 15 1
21 6 14 2 72 10 14 0
22 3 12 1 93 10 9 0
23 25 23 2 117 8 15 1
24 37 21 0 105 6 15 2
25 42 19 2 123 7 13 0
26 59 15 0 135 10 18 0
27 35 19 1 180 2 4 0
28 73 19 1 252 12 32 0
29 29 15 2 242 13 37 1

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 2020-08-29 4996 0.00 0.02 151 0.00 0.00 104 0.00 0.00 434 0.00 0.23 3032 0.00 0.00 947 0.00 0.00 328 0.00 0.00
36 2020-09-05 5192 0.00 0.00 169 0.00 0.00 133 0.00 0.00 365 0.00 0.00 3163 0.00 0.00 974 0.00 0.00 388 0.00 0.00
37 2020-09-12 5335 0.00 0.00 232 0.00 0.00 160 0.00 0.00 442 0.00 0.00 3267 0.00 0.00 917 0.00 0.00 317 0.00 0.00
38 2020-09-19 6024 0.02 0.00 465 0.00 0.00 182 0.00 0.00 368 0.27 0.00 3499 0.00 0.00 1217 0.00 0.00 293 0.00 0.00
39 2020-09-26 6707 0.00 0.00 1021 0.00 0.00 227 0.00 0.00 497 0.00 0.00 3488 0.00 0.00 1201 0.00 0.00 273 0.00 0.00
40 2020-10-03 7127 0.00 0.00 411 0.00 0.00 262 0.00 0.00 588 0.00 0.00 4024 0.00 0.00 1378 0.00 0.00 464 0.00 0.00
41 2020-10-10 6817 0.01 0.00 246 0.00 0.00 227 0.00 0.00 482 0.00 0.00 4186 0.02 0.00 1338 0.00 0.00 338 0.00 0.00
42 2020-10-17 6755 0.00 0.00 254 0.00 0.00 221 0.00 0.00 705 0.00 0.00 4193 0.00 0.00 1158 0.00 0.00 224 0.00 0.00
43 2020-10-24 8227 0.01 0.00 346 0.00 0.00 232 0.00 0.00 683 0.15 0.00 4602 0.00 0.00 2054 0.00 0.00 310 0.00 0.00
44 2020-10-31 9615 0.04 0.03 274 0.00 0.00 272 0.00 0.00 817 0.00 0.00 6072 0.00 0.00 1897 0.11 0.05 283 0.71 0.71
45 2020-11-07 10748 0.02 0.02 391 0.00 0.00 303 0.00 0.00 1042 0.10 0.10 6768 0.00 0.00 2071 0.00 0.00 173 0.58 0.58
46 2020-11-14 11955 0.03 0.01 465 0.00 0.00 266 0.00 0.00 1196 0.17 0.00 7515 0.00 0.00 2294 0.00 0.00 219 0.46 0.46
47 2020-11-21 13103 0.03 0.04 451 0.00 0.00 293 0.00 0.00 1551 0.00 0.06 7731 0.00 0.00 2658 0.04 0.04 419 0.72 0.72
48 2020-11-28 18762 0.04 0.01 5192 0.00 0.00 322 0.31 0.00 1637 0.24 0.06 7975 0.00 0.00 2788 0.07 0.04 848 0.12 0.00
49 2020-12-05 19649 0.03 0.01 6476 0.00 0.00 443 0.00 0.00 1771 0.17 0.00 7334 0.01 0.00 3242 0.06 0.06 383 0.00 0.00
50 2020-12-12 16189 0.01 0.01 3616 0.00 0.00 378 0.00 0.00 1786 0.06 0.00 8036 0.00 0.01 2253 0.00 0.00 120 0.00 0.00
51 2020-12-19 14059 0.01 0.01 3218 0.00 0.03 634 0.00 0.00 1742 0.00 0.00 6634 0.02 0.00 1719 0.00 0.00 112 0.00 0.00
52 2020-12-26 12290 0.00 0.00 2273 0.00 0.00 540 0.00 0.00 1702 0.00 0.00 5193 0.00 0.00 2531 0.00 0.00 51 0.00 0.00
53 2021-01-02 11681 0.02 0.00 2357 0.00 0.00 496 0.00 0.00 1548 0.00 0.00 4660 0.04 0.00 2568 0.00 0.00 52 0.00 0.00
1 2021-01-09 14097 0.00 0.00 3667 0.00 0.00 705 0.00 0.00 1708 0.00 0.00 5197 0.00 0.00 2665 0.00 0.00 155 0.00 0.00
2 2021-01-16 17002 0.02 0.01 6694 0.00 0.00 552 0.00 0.00 1587 0.00 0.00 5156 0.06 0.00 2889 0.03 0.03 124 0.00 0.00
3 2021-01-23 15391 0.00 0.00 5992 0.00 0.00 517 0.00 0.00 1491 0.00 0.00 4455 0.00 0.00 2846 0.00 0.00 90 0.00 0.00
4 2021-01-30 16607 0.00 0.00 8310 0.00 0.00 418 0.00 0.00 1493 0.00 0.00 3679 0.00 0.00 2611 0.00 0.00 96 0.00 0.00
5 2021-02-06 12949 0.02 0.00 3731 0.00 0.00 468 0.00 0.00 1409 0.14 0.00 4484 0.00 0.00 2780 0.00 0.00 77 0.00 0.00
6 2021-02-13 20727 0.01 0.00 1529 0.00 0.00 493 0.00 0.00 1375 0.00 0.00 15019 0.01 0.00 2197 0.05 0.05 114 0.00 0.00
7 2021-02-20 21290 0.00 0.00 1090 0.00 0.00 530 0.00 0.00 1164 0.00 0.00 15090 0.01 0.00 3301 0.00 0.03 115 0.00 0.00
8 2021-02-27 21891 0.00 0.00 1417 0.00 0.00 421 0.00 0.00 1212 0.00 0.00 15630 0.00 0.00 3129 0.00 0.00 82 0.00 0.00
9 2021-03-06 20896 0.00 0.00 1468 0.00 0.00 662 0.00 0.00 1267 0.00 0.00 14378 0.00 0.00 3038 0.00 0.00 83 0.00 0.00
10 2021-03-13 21220 0.01 0.00 1544 0.00 0.00 610 0.00 0.00 1163 0.09 0.00 14839 0.00 0.00 3013 0.03 0.00 51 0.00 0.00
11 2021-03-20 23087 0.00 0.00 1499 0.00 0.00 759 0.00 0.00 1101 0.00 0.00 16793 0.00 0.00 2869 0.00 0.00 66 0.00 0.00
12 2021-03-27 25811 0.00 0.00 1483 0.00 0.00 734 0.00 0.00 1155 0.00 0.00 19443 0.00 0.00 2921 0.00 0.00 75 0.00 0.00
13 2021-04-03 26303 0.00 0.00 1348 0.00 0.00 746 0.00 0.00 1095 0.00 0.00 20426 0.00 0.00 2661 0.00 0.00 27 0.00 0.00
14 2021-04-10 26284 0.01 0.00 1400 0.00 0.00 961 0.00 0.00 1099 0.00 0.00 20506 0.01 0.00 2267 0.00 0.00 51 0.00 0.00
15 2021-04-17 26792 0.00 0.00 1598 0.00 0.00 1027 0.00 0.00 1050 0.00 0.00 21418 0.00 0.00 1597 0.00 0.00 102 0.00 0.00
16 2021-04-24 29154 0.00 0.00 1570 0.00 0.00 970 0.00 0.00 1006 0.00 0.00 23003 0.00 0.00 2532 0.00 0.00 73 0.00 0.00
17 2021-05-01 22152 0.00 0.00 1951 0.00 0.00 962 0.00 0.00 998 0.00 0.00 15779 0.01 0.00 2334 0.00 0.00 128 0.00 0.00
18 2021-05-08 12725 0.00 0.00 2099 0.00 0.00 1229 0.00 0.00 943 0.00 0.00 6191 0.00 0.00 2162 0.00 0.00 101 0.00 0.00
19 2021-05-15 9738 0.01 0.01 911 0.00 0.00 943 0.00 0.00 813 0.00 0.00 5346 0.02 0.02 1637 0.00 0.00 88 0.00 0.00
20 2021-05-22 7442 0.01 0.00 689 0.00 0.00 1040 0.00 0.00 824 0.00 0.00 3724 0.03 0.00 1103 0.00 0.00 62 0.00 0.00
21 2021-05-29 6765 0.00 0.00 578 0.00 0.00 1053 0.00 0.00 775 0.00 0.00 3325 0.00 0.00 976 0.00 0.00 58 0.00 0.00
22 2021-06-05 6318 0.00 0.00 513 0.00 0.00 978 0.00 0.00 722 0.00 0.00 3046 0.00 0.00 1010 0.00 0.00 49 0.00 0.00
23 2021-06-12 5942 0.02 0.00 455 0.00 0.00 963 0.00 0.00 728 0.00 0.00 2813 0.04 0.00 812 0.00 0.00 171 0.00 0.00
24 2021-06-19 5748 0.03 0.00 425 0.00 0.00 859 0.00 0.00 721 0.00 0.00 2306 0.09 0.00 791 0.00 0.00 646 0.00 0.00
25 2021-06-26 5954 0.00 0.00 367 0.00 0.00 950 0.00 0.00 773 0.00 0.00 2453 0.00 0.00 769 0.00 0.00 642 0.00 0.00
26 2021-07-03 5194 0.00 0.00 333 0.00 0.00 927 0.00 0.00 670 0.00 0.00 2134 0.00 0.00 687 0.00 0.00 443 0.00 0.00
27 2021-07-10 4900 0.00 0.00 301 0.00 0.00 535 0.00 0.00 756 0.00 0.00 2361 0.00 0.00 638 0.00 0.00 309 0.00 0.00
28 2021-07-17 5121 0.00 0.00 421 0.00 0.00 906 0.00 0.00 765 0.00 0.00 2328 0.00 0.00 525 0.00 0.00 176 0.00 0.00
29 2021-07-24 4888 0.02 0.00 300 0.00 0.00 989 0.00 0.00 540 0.19 0.00 2477 0.00 0.00 461 0.00 0.00 121 0.00 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 2020-08-29 4952 0.02 151 0.00 100 1.00 396 0.00 3030 0.00 947 0.00 328 0.00
36 2020-09-05 5103 0.04 169 0.00 139 0.00 271 0.00 3162 0.00 974 0.00 388 0.52
37 2020-09-12 5178 0.02 232 0.00 157 0.00 288 0.00 3267 0.03 917 0.00 317 0.00
38 2020-09-19 5992 0.10 465 0.00 182 0.00 337 0.89 3498 0.09 1217 0.00 293 0.00
39 2020-09-26 6584 0.05 1021 0.29 226 0.00 375 0.00 3488 0.00 1201 0.00 273 0.00
40 2020-10-03 6971 0.07 411 0.49 263 0.00 432 0.00 4023 0.07 1378 0.00 464 0.00
41 2020-10-10 6775 0.10 246 0.00 228 0.00 442 0.00 4183 0.10 1338 0.22 338 0.00
42 2020-10-17 6703 0.07 254 0.00 215 0.00 659 0.00 4193 0.12 1158 0.00 224 0.00
43 2020-10-24 8166 0.07 346 0.00 225 0.00 630 0.16 4601 0.11 2054 0.00 310 0.00
44 2020-10-31 9562 0.05 275 0.00 252 0.00 785 0.00 6070 0.05 1897 0.00 283 0.71
45 2020-11-07 10499 0.04 391 0.77 280 0.00 965 0.10 6619 0.00 2071 0.00 173 0.00
46 2020-11-14 11763 0.06 465 0.00 242 0.00 1155 0.17 7390 0.07 2292 0.00 219 0.00
47 2020-11-21 13005 0.03 451 0.00 267 0.37 1499 0.00 7711 0.04 2658 0.00 419 0.00
48 2020-11-28 18413 0.02 5193 0.00 291 0.34 1591 0.00 7702 0.03 2788 0.00 848 0.00
49 2020-12-05 11690 0.06 1223 0.00 324 0.00 1728 0.06 4790 0.10 3242 0.03 383 0.00
50 2020-12-12 10160 0.07 1016 0.00 268 0.00 1748 0.00 4755 0.13 2253 0.04 120 0.00
51 2020-12-19 9120 0.07 1003 0.00 492 0.00 1682 0.06 4115 0.12 1719 0.00 109 0.00
52 2020-12-26 8098 0.01 769 0.00 302 0.00 1659 0.06 2788 0.00 2531 0.00 49 0.00
53 2021-01-02 7925 0.04 783 0.13 312 0.00 1522 0.07 2691 0.04 2568 0.00 49 0.00
1 2021-01-09 8935 0.07 842 0.00 392 0.00 1633 0.00 3249 0.18 2665 0.00 154 0.00
2 2021-01-16 14869 0.03 6694 0.01 322 0.00 1509 0.00 3352 0.12 2870 0.00 122 0.00
3 2021-01-23 8365 0.05 1075 0.09 254 0.00 1491 0.07 2674 0.07 2784 0.00 87 0.00
4 2021-01-30 7848 0.04 1512 0.00 209 0.00 1465 0.07 1971 0.10 2600 0.00 91 0.00
5 2021-02-06 7935 0.08 903 0.00 207 0.97 1385 0.07 2598 0.12 2771 0.00 71 0.00
6 2021-02-13 8248 0.02 853 0.23 268 0.00 1330 0.00 3511 0.00 2176 0.00 110 0.00
7 2021-02-20 8622 0.05 782 0.00 330 0.30 1135 0.00 2981 0.10 3285 0.00 109 0.00
8 2021-02-27 8004 0.01 1116 0.00 359 0.00 1180 0.08 2205 0.00 3123 0.00 21 0.00
9 2021-03-06 9630 0.00 1241 0.00 527 0.00 1232 0.00 3528 0.00 3026 0.00 76 0.00
10 2021-03-13 9654 0.03 1259 0.00 527 0.57 1141 0.00 3775 0.00 2901 0.00 51 0.00
11 2021-03-20 9895 0.07 1252 0.00 508 1.18 1066 0.09 4218 0.00 2790 0.00 61 0.00
12 2021-03-27 9556 0.04 1483 0.00 625 0.32 1127 0.09 3337 0.03 2912 0.00 72 0.00
13 2021-04-03 10034 0.08 1112 0.00 481 1.46 1074 0.00 4701 0.00 2640 0.04 26 0.00
14 2021-04-10 9374 0.11 1115 0.00 653 1.53 1072 0.00 4250 0.00 2236 0.00 48 0.00
15 2021-04-17 8609 0.23 1203 0.08 671 2.83 1013 0.00 4040 0.00 1583 0.00 99 0.00
16 2021-04-24 10147 0.21 1570 0.00 631 3.33 992 0.00 4369 0.00 2517 0.00 68 0.00
17 2021-05-01 10537 0.27 1763 0.00 594 4.71 962 0.00 4785 0.00 2307 0.00 126 0.00
18 2021-05-08 9751 0.24 1966 0.00 648 3.55 917 0.00 3979 0.00 2142 0.00 99 0.00
19 2021-05-15 7826 0.18 813 0.00 648 2.16 783 0.00 3876 0.00 1625 0.00 81 0.00
20 2021-05-22 5961 0.25 642 0.00 646 2.17 809 0.12 2703 0.00 1102 0.00 59 0.00
21 2021-05-29 5345 0.26 545 0.00 528 2.46 775 0.13 2464 0.00 976 0.00 57 0.00
22 2021-06-05 5142 0.18 474 0.00 546 1.65 722 0.00 2341 0.00 1010 0.00 49 0.00
23 2021-06-12 4753 0.32 407 0.00 486 3.09 728 0.00 2157 0.00 812 0.00 163 0.00
24 2021-06-19 4786 0.31 389 0.00 529 2.84 721 0.00 1712 0.00 791 0.00 644 0.00
25 2021-06-26 4815 0.27 386 0.00 553 2.17 773 0.13 1711 0.00 769 0.00 623 0.00
26 2021-07-03 4137 0.44 326 0.00 537 3.17 670 0.00 1476 0.07 687 0.00 441 0.00
27 2021-07-10 3762 0.11 297 0.00 169 2.37 726 0.00 1625 0.00 638 0.00 307 0.00
28 2021-07-17 3861 0.83 416 0.00 508 6.30 739 0.00 1499 0.00 525 0.00 174 0.00
27 2021-07-10 3761 0.11 297 0.00 169 2.37 725 0.00 1625 0.00 638 0.00 307 0.00
28 2021-07-17 3910 0.82 416 0.00 508 6.30 738 0.00 1548 0.00 525 0.00 175 0.00
29 2021-07-24 3637 1.02 294 0.00 519 6.94 539 0.19 1704 0.00 460 0.00 121 0.00

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 2020-08-29 3642 0.08 154 0.00 81 0.00 390 0.00 2672 0.11 193 0.00
36 2020-09-05 3557 0.20 156 0.00 110 0.00 316 0.00 2617 0.23 207 0.00
37 2020-09-12 3997 0.13 232 0.00 110 0.00 329 0.30 2960 0.14 210 0.00
38 2020-09-19 4186 0.07 467 0.00 55 0.00 320 0.63 3022 0.00 250 0.00
39 2020-09-26 4816 0.02 999 0.00 151 0.00 431 0.00 2922 0.03 261 0.00
40 2020-10-03 5031 0.02 391 0.00 136 0.00 468 0.21 3470 0.00 279 0.00
41 2020-10-10 4847 0.06 250 0.00 130 0.00 475 0.00 3527 0.00 288 0.00
42 2020-10-17 4908 0.06 226 0.00 112 0.00 590 0.34 3662 0.00 243 0.41
43 2020-10-24 5635 0.07 330 0.00 137 0.00 548 0.18 3970 0.08 520 0.00
44 2020-10-31 6789 0.03 241 0.00 141 0.00 710 0.00 4967 0.02 667 0.15
45 2020-11-07 7686 0.01 341 0.00 134 0.00 797 0.00 5711 0.02 663 0.00
46 2020-11-14 7269 0.04 402 0.00 117 0.00 894 0.00 5575 0.05 232 0.00
47 2020-11-21 8026 0.06 413 0.48 105 0.00 1051 0.00 5691 0.04 681 0.15
48 2020-11-28 8486 0.02 617 0.16 134 0.00 1373 0.00 5370 0.00 892 0.11
49 2020-12-05 6156 0.00 453 0.00 127 0.00 1544 0.00 2892 0.00 994 0.00
50 2020-12-12 5437 0.06 413 0.00 86 0.00 1539 0.06 2411 0.04 934 0.11
51 2020-12-19 4653 0.04 569 0.18 322 0.00 1496 0.07 1873 0.00 353 0.00
52 2020-12-26 3760 0.03 403 0.00 105 0.00 1511 0.00 1220 0.08 500 0.00
53 2021-01-02 3343 0.12 426 0.00 142 0.00 1229 0.33 1059 0.00 462 0.00
1 2021-01-09 3925 0.08 456 0.00 140 0.00 1323 0.15 1461 0.07 497 0.00
2 2021-01-16 3765 0.05 388 0.00 109 0.00 1121 0.00 1615 0.12 456 0.00
3 2021-01-23 3235 0.06 455 0.00 119 0.00 1102 0.09 1039 0.00 491 0.20
4 2021-01-30 3112 0.06 466 0.00 126 0.00 1147 0.09 922 0.11 420 0.00
5 2021-02-06 3081 0.10 417 0.00 112 0.00 1137 0.00 999 0.10 402 0.50
6 2021-02-13 3039 0.00 608 0.00 119 0.00 1058 0.00 755 0.00 463 0.00
7 2021-02-20 2480 0.16 228 0.00 161 0.00 957 0.21 663 0.00 464 0.43
8 2021-02-27 2687 0.07 363 0.00 142 0.00 899 0.00 711 0.00 553 0.36
9 2021-03-06 3137 0.06 690 0.00 124 0.81 983 0.10 817 0.00 516 0.00
10 2021-03-13 3179 0.19 729 0.00 134 0.00 948 0.00 877 0.11 480 1.04
11 2021-03-20 2826 0.00 685 0.00 130 0.00 883 0.00 649 0.00 466 0.00
12 2021-03-27 2849 0.18 683 0.00 128 0.00 885 0.23 610 0.00 536 0.56
13 2021-04-03 2636 0.00 554 0.00 138 0.00 862 0.00 598 0.00 478 0.00
14 2021-04-10 2445 0.12 511 0.00 169 1.18 507 0.00 852 0.12 399 0.00
15 2021-04-17 2446 0.16 677 0.30 158 0.00 515 0.00 741 0.13 345 0.29
16 2021-04-24 2303 0.61 563 2.13 187 0.53 479 0.00 649 0.00 418 0.24
17 2021-05-01 2460 0.08 657 0.00 132 0.76 504 0.00 717 0.14 440 0.00
18 2021-05-08 2343 0.21 640 0.00 162 1.23 430 0.23 673 0.15 431 0.23
19 2021-05-15 2108 0.05 568 0.00 160 0.63 391 0.00 603 0.00 377 0.00
20 2021-05-22 2003 0.25 532 0.19 112 2.68 416 0.00 526 0.19 412 0.00
21 2021-05-29 1711 0.35 471 0.00 136 0.74 341 1.17 443 0.00 315 0.32
22 2021-06-05 1707 0.18 391 0.00 142 2.11 410 0.00 396 0.00 360 0.00
23 2021-06-12 1648 1.52 356 0.00 153 16.34 358 0.00 443 0.00 329 0.00
24 2021-06-19 1541 2.40 347 0.00 154 24.03 351 0.00 357 0.00 330 0.00
25 2021-06-26 1633 2.57 336 0.00 182 21.98 369 0.00 421 0.48 323 0.00
26 2021-07-03 1389 4.25 304 0.00 193 29.02 260 0.00 346 0.58 285 0.35
27 2021-07-10 1451 2.41 277 0.00 124 22.58 348 0.86 438 0.46 256 0.78
28 2021-07-17 1845 3.96 388 0.00 172 38.37 341 1.76 526 0.19 244 0.00
29 2021-07-24 1347 2.15 276 0.00 230 12.17 148 0.00 516 0.19 174 0.00

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 2020-08-29 3684 0.27 154 0.00 135 1.48 378 0.00 2672 0.15 193 0.52
36 2020-09-05 3542 0.40 156 0.64 110 2.73 301 0.66 2617 0.31 207 0.00
37 2020-09-12 3978 0.35 223 0.00 112 1.79 317 0.63 2960 0.27 210 0.00
38 2020-09-19 4169 0.58 467 0.86 53 0.00 305 0.66 3022 0.36 250 2.40
39 2020-09-26 4798 0.19 999 0.50 151 0.00 413 0.24 2922 0.10 261 0.00
40 2020-10-03 5017 0.44 391 0.51 136 5.88 454 0.22 3470 0.14 279 0.72
41 2020-10-10 4838 0.37 250 0.40 130 4.62 466 0.00 3527 0.11 288 1.39
42 2020-10-17 4891 0.47 226 0.44 112 7.14 573 0.35 3662 0.25 243 0.82
43 2020-10-24 5615 0.37 330 0.30 137 5.11 528 0.38 3970 0.20 520 0.58
44 2020-10-31 6768 0.22 241 0.83 141 3.55 689 0.44 4967 0.08 667 0.00
45 2020-11-07 7669 0.33 341 0.00 134 8.96 780 0.00 5711 0.09 663 0.90
46 2020-11-14 7643 0.30 402 0.75 117 5.13 802 0.25 5575 0.16 698 0.29
47 2020-11-21 7760 0.32 413 0.48 105 5.71 785 0.38 5691 0.12 681 0.73
48 2020-11-28 7986 0.35 619 0.48 134 4.48 871 0.69 5370 0.15 892 0.22
49 2020-12-05 5562 0.54 453 0.66 127 6.30 950 0.63 2892 0.24 994 0.00
50 2020-12-12 5437 0.51 413 0.48 86 11.63 1539 0.26 2411 0.29 934 0.54
51 2020-12-19 4654 0.58 570 0.53 322 2.48 1496 0.60 1873 0.16 353 0.57
52 2020-12-26 3760 0.48 403 0.74 105 1.90 1511 0.40 1220 0.33 500 0.60
53 2021-01-02 3343 0.81 426 2.58 142 4.93 1229 0.33 1059 0.38 462 0.22
1 2021-01-09 3926 0.82 457 1.75 140 4.29 1323 0.45 1461 0.48 497 0.60
2 2021-01-16 3765 0.40 388 1.03 109 1.83 1121 0.09 1615 0.31 456 0.66
3 2021-01-23 3235 0.46 455 1.32 119 1.68 1102 0.09 1039 0.48 491 0.20
4 2021-01-30 3112 0.29 466 0.86 126 2.38 1147 0.00 922 0.00 420 0.48
5 2021-02-06 3164 0.54 417 1.44 112 1.79 1137 0.26 999 0.30 485 0.41
6 2021-02-13 3039 0.49 608 0.33 119 2.52 1058 0.19 755 0.66 463 0.65
7 2021-02-20 2485 0.72 233 0.43 161 6.83 957 0.10 663 0.30 464 0.65
8 2021-02-27 2689 0.86 365 1.10 142 5.63 899 0.44 711 0.56 553 0.54
9 2021-03-06 3137 0.38 690 0.29 124 4.84 983 0.10 817 0.12 516 0.39
10 2021-03-13 3176 0.63 731 0.27 134 1.49 948 0.32 877 0.46 475 1.89
11 2021-03-20 2830 0.35 689 0.15 130 3.85 883 0.11 649 0.15 466 0.43
12 2021-03-27 2844 0.35 678 0.15 128 2.34 885 0.23 610 0.49 536 0.19
13 2021-04-03 2636 0.34 554 0.36 138 0.72 862 0.23 598 0.33 478 0.42
14 2021-04-10 2441 0.98 511 0.39 169 5.92 507 0.20 852 0.59 395 1.52
15 2021-04-17 2446 0.82 677 0.74 158 6.96 515 0.00 741 0.00 345 1.16
16 2021-04-24 2304 0.35 564 0.53 187 1.07 479 0.00 649 0.15 418 0.24
17 2021-05-01 2466 0.77 657 0.46 132 3.03 504 0.40 717 0.84 446 0.45
18 2021-05-08 2343 0.98 640 0.47 162 4.32 430 0.93 673 1.04 431 0.46
19 2021-05-15 2109 0.71 569 0.18 160 3.75 391 0.00 603 0.83 377 0.80
20 2021-05-22 2002 1.05 531 0.38 112 7.14 416 0.48 526 0.38 412 1.70
21 2021-05-29 1711 0.82 471 0.21 136 5.15 341 0.59 443 0.68 315 0.32
22 2021-06-05 1673 0.72 402 0.50 142 2.82 365 0.27 396 0.51 360 0.83
23 2021-06-12 1610 1.43 345 0.87 153 5.88 331 0.00 443 1.13 329 1.82
24 2021-06-19 1519 1.38 347 0.58 154 6.49 329 0.91 357 0.00 330 1.82
25 2021-06-26 1617 1.18 351 1.14 182 3.85 338 0.89 421 0.48 323 0.93
26 2021-07-03 1374 1.09 289 0.35 193 3.11 260 0.00 346 1.45 285 1.05
27 2021-07-10 1451 1.31 277 1.08 124 5.65 348 0.57 438 0.46 256 1.95
28 2021-07-17 1845 1.03 388 0.26 172 5.23 341 1.17 526 0.19 244 1.64
29 2021-07-24 1347 1.11 276 0.36 230 3.91 148 1.35 516 0.39 174 0.57

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 2020-08-29 3620 0.17 154 0.00 80 0.00 378 0.00 2663 0.04 193 1.04
36 2020-09-05 3530 0.06 156 0.00 108 0.00 297 0.00 2611 0.04 207 0.00
37 2020-09-12 3973 0.05 223 0.00 110 0.00 316 0.00 2958 0.07 210 0.00
38 2020-09-19 4173 0.02 467 0.00 50 0.00 320 0.00 3014 0.00 250 0.40
39 2020-09-26 4806 0.04 999 0.00 150 0.00 430 0.47 2914 0.00 261 0.00
40 2020-10-03 5021 0.00 391 0.00 135 0.00 467 0.00 3462 0.00 279 0.00
41 2020-10-10 4839 0.19 250 0.00 130 0.00 475 0.00 3519 0.06 288 2.08
42 2020-10-17 4903 0.06 226 0.00 112 0.00 589 0.00 3658 0.00 243 1.23
43 2020-10-24 5624 0.02 330 0.00 137 0.00 547 0.00 3960 0.00 520 0.19
44 2020-10-31 6780 0.13 241 0.41 139 0.00 710 0.14 4960 0.04 667 0.75
45 2020-11-07 7682 0.01 341 0.00 133 0.00 797 0.00 5708 0.02 663 0.00
46 2020-11-14 7730 0.04 402 0.00 117 0.00 894 0.11 5570 0.00 698 0.14
47 2020-11-21 8025 0.02 413 0.00 105 0.00 1051 0.00 5690 0.02 681 0.15
48 2020-11-28 8485 0.02 617 0.00 134 0.00 1373 0.00 5369 0.00 892 0.22
49 2020-12-05 6153 0.05 453 0.00 127 0.00 1544 0.00 2889 0.00 994 0.30
50 2020-12-12 5432 0.02 413 0.00 86 0.00 1539 0.00 2406 0.04 934 0.00
51 2020-12-19 4645 0.04 569 0.00 322 0.00 1493 0.07 1868 0.00 353 0.28
52 2020-12-26 3756 0.11 403 0.00 105 0.00 1511 0.00 1216 0.00 500 0.80
53 2021-01-02 3339 0.06 426 0.00 142 0.00 1228 0.00 1056 0.00 462 0.43
1 2021-01-09 3757 0.03 335 0.00 140 0.00 1323 0.00 1460 0.07 451 0.00
2 2021-01-16 3761 0.11 388 0.00 107 0.00 1121 0.00 1613 0.00 456 0.88
3 2021-01-23 3233 0.12 455 0.00 118 0.00 1102 0.18 1038 0.00 491 0.41
4 2021-01-30 3107 0.16 466 0.00 126 0.00 1146 0.09 915 0.00 423 0.95
5 2021-02-06 3157 0.19 417 0.00 112 0.00 1136 0.00 992 0.00 486 1.23
6 2021-02-13 2917 0.14 608 0.00 118 0.00 1058 0.09 747 0.00 350 0.86
7 2021-02-20 2523 0.04 228 0.00 161 0.00 957 0.00 706 0.00 464 0.22
8 2021-02-27 2726 0.11 363 0.28 141 0.00 899 0.00 751 0.00 553 0.36
9 2021-03-06 3176 0.00 690 0.00 124 0.00 983 0.00 856 0.00 516 0.00
10 2021-03-13 2762 0.11 263 0.00 134 0.75 948 0.00 926 0.00 480 0.42
11 2021-03-20 2876 0.14 685 0.00 129 0.00 883 0.00 700 0.57 466 0.00
12 2021-03-27 2889 0.07 683 0.00 128 0.78 885 0.00 650 0.00 536 0.19
13 2021-04-03 2671 0.04 554 0.00 138 0.00 861 0.00 634 0.00 478 0.21
14 2021-04-10 2497 0.04 511 0.00 169 0.00 507 0.20 908 0.00 395 0.00
15 2021-04-17 2513 0.04 677 0.15 158 0.00 515 0.00 808 0.00 345 0.00
16 2021-04-24 2369 0.04 563 0.00 187 0.00 479 0.00 715 0.00 418 0.24
17 2021-05-01 2538 0.00 657 0.00 132 0.00 504 0.00 789 0.00 446 0.00
18 2021-05-08 2417 0.04 640 0.00 162 0.00 429 0.00 748 0.00 431 0.23
19 2021-05-15 2190 0.14 568 0.00 160 0.00 391 0.51 685 0.00 377 0.27
20 2021-05-22 2015 0.10 532 0.00 112 0.00 416 0.00 591 0.00 359 0.56
21 2021-05-29 1778 0.11 471 0.00 136 0.00 341 0.00 510 0.00 315 0.63
22 2021-06-05 1728 0.06 391 0.00 142 0.00 365 0.27 462 0.00 360 0.00
23 2021-06-12 1679 0.12 356 0.00 153 0.00 330 0.00 502 0.00 329 0.61
24 2021-06-19 1579 0.00 347 0.00 154 0.00 329 0.00 417 0.00 330 0.00
25 2021-06-26 1660 0.12 336 0.00 182 1.10 338 0.00 479 0.00 323 0.00
26 2021-07-03 1470 0.00 304 0.00 193 0.00 260 0.00 427 0.00 285 0.00
27 2021-07-10 1518 0.07 277 0.00 124 0.00 347 0.00 506 0.00 256 0.39
28 2021-07-17 1722 0.06 388 0.00 172 0.00 341 0.00 571 0.00 244 0.41
29 2021-07-24 1387 0.14 276 0.00 230 0.00 148 0.68 556 0.00 174 0.57

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 2020-08-29 3549 9.07 154 1.95 N.A. N.A. 378 5.03 2672 9.09 193 5.70
36 2020-09-05 3431 8.13 156 7.05 N.A. N.A. 300 9.33 2617 7.49 207 2.42
37 2020-09-12 3866 8.07 223 2.24 N.A. N.A. 317 11.04 2960 7.64 210 3.33
38 2020-09-19 4116 15.67 467 46.90 N.A. N.A. 305 15.41 3022 10.79 250 12.80
39 2020-09-26 4647 24.12 999 56.86 N.A. N.A. 413 18.64 2922 14.96 261 6.51
40 2020-10-03 4881 16.62 391 39.13 N.A. N.A. 454 13.22 3470 12.91 279 24.73
41 2020-10-10 4708 15.48 250 22.80 N.A. N.A. 466 18.45 3527 12.79 288 25.69
42 2020-10-17 4759 13.60 226 22.12 N.A. N.A. 573 12.22 3662 12.70 223 19.73
43 2020-10-24 5480 13.14 330 22.42 N.A. N.A. 548 14.42 3970 10.48 502 20.72
44 2020-10-31 6610 9.23 241 21.58 N.A. N.A. 689 10.60 4967 8.50 650 5.69
45 2020-11-07 7534 9.70 341 30.21 N.A. N.A. 794 7.93 5711 8.04 648 13.43
46 2020-11-14 7520 9.02 402 25.62 N.A. N.A. 802 10.22 5575 6.92 692 13.29
47 2020-11-21 7924 8.44 413 21.31 N.A. N.A. 1073 7.74 5691 7.08 662 12.84
48 2020-11-28 8334 7.94 617 19.29 N.A. N.A. 1373 6.55 5370 6.65 874 9.38
49 2020-12-05 5958 6.21 453 16.56 N.A. N.A. 1544 3.37 2892 5.60 923 5.09
50 2020-12-12 5329 6.62 413 16.22 N.A. N.A. 1539 5.20 2411 5.35 912 7.13
51 2020-12-19 4322 5.65 569 10.90 N.A. N.A. 1496 3.94 1873 4.75 344 4.94
52 2020-12-26 3643 6.53 403 17.12 N.A. N.A. 1511 4.83 1220 4.43 488 6.76
53 2021-01-02 3185 5.43 426 14.55 N.A. N.A. 1229 3.50 1059 3.49 446 5.83
1 2021-01-09 3765 5.18 456 11.40 N.A. N.A. 1323 2.65 1461 4.79 477 5.03
2 2021-01-16 3651 3.56 388 6.19 N.A. N.A. 1121 2.32 1615 3.22 451 2.00
3 2021-01-23 3100 3.87 455 9.23 N.A. N.A. 1102 1.27 1039 4.14 475 3.58
4 2021-01-30 2982 4.76 466 12.45 N.A. N.A. 1147 1.48 922 4.23 416 5.53
5 2021-02-06 3050 5.08 417 11.75 N.A. N.A. 1137 1.23 999 4.90 483 7.87
6 2021-02-13 2914 5.56 608 8.39 N.A. N.A. 1058 1.13 755 6.75 457 8.32
7 2021-02-20 2304 4.77 228 6.14 N.A. N.A. 957 0.84 663 7.69 449 8.02
8 2021-02-27 2538 5.48 363 7.71 N.A. N.A. 899 1.78 711 9.00 546 5.31
9 2021-03-06 3008 4.62 690 5.65 N.A. N.A. 983 1.53 817 6.73 511 5.87
10 2021-03-13 3040 4.08 729 2.74 N.A. N.A. 948 2.32 877 6.61 475 5.05
11 2021-03-20 2690 4.61 685 2.34 N.A. N.A. 883 1.70 649 10.32 460 5.43
12 2021-03-27 2718 4.86 683 3.07 N.A. N.A. 885 2.82 610 8.52 533 6.19
13 2021-04-03 2495 5.49 554 5.96 N.A. N.A. 862 1.74 598 9.70 475 6.32
14 2021-04-10 2272 8.23 511 8.02 N.A. N.A. 507 2.76 852 11.97 395 7.09
15 2021-04-17 2282 6.18 677 5.76 N.A. N.A. 515 4.08 741 7.69 339 6.49
16 2021-04-24 2116 7.23 563 8.17 N.A. N.A. 479 2.30 649 9.55 418 8.13
17 2021-05-01 2328 5.63 657 4.57 N.A. N.A. 504 1.79 717 9.48 440 5.45
18 2021-05-08 2175 7.40 640 5.63 N.A. N.A. 430 2.09 673 12.93 425 6.82
19 2021-05-15 1944 8.13 568 9.86 N.A. N.A. 391 4.35 603 9.78 373 6.17
20 2021-05-22 1886 6.36 532 9.21 N.A. N.A. 416 1.92 526 6.84 407 6.14
21 2021-05-29 1568 4.59 471 4.03 N.A. N.A. 341 1.76 443 6.09 308 6.49
22 2021-06-05 1508 6.17 391 11.25 N.A. N.A. 365 1.10 396 5.81 348 6.32
23 2021-06-12 1461 8.01 357 10.08 N.A. N.A. 331 2.42 443 10.38 321 7.79
24 2021-06-19 1291 8.13 280 7.14 N.A. N.A. 329 3.95 357 13.73 323 7.12
25 2021-06-26 1314 9.36 240 5.00 N.A. N.A. 338 2.66 421 17.58 313 8.95
26 2021-07-03 1061 12.72 173 4.62 N.A. N.A. 260 4.62 346 26.59 281 8.19
27 2021-07-10 1215 14.81 169 4.73 N.A. N.A. 348 6.90 438 25.57 252 13.89
28 2021-07-17 1379 18.27 267 3.75 N.A. N.A. 341 7.04 526 37.83 239 7.95
29 2021-07-24 1022 23.68 181 8.29 N.A. N.A. 148 8.78 516 36.82 174 12.07

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 2020-08-29 3329 0.06 29 0.00 80 0.00 314 0.00 2663 0.08 193 0.00
36 2020-09-05 3242 0.00 8 0.00 108 0.00 262 0.00 2611 0.00 207 0.00
37 2020-09-12 3639 0.05 26 0.00 110 0.00 265 0.38 2958 0.03 210 0.00
38 2020-09-19 3711 0.00 20 0.00 50 0.00 305 0.00 3014 0.00 250 0.00
39 2020-09-26 3809 0.05 20 0.00 150 0.00 412 0.00 2914 0.07 261 0.00
40 2020-10-03 4378 0.09 17 0.00 135 1.48 393 0.25 3462 0.03 279 0.00
41 2020-10-10 4423 0.02 40 0.00 130 0.00 385 0.00 3519 0.03 288 0.00
42 2020-10-17 4501 0.00 32 0.00 112 0.00 436 0.00 3658 0.00 223 0.00
43 2020-10-24 4844 0.00 51 0.00 137 0.00 409 0.00 3960 0.00 232 0.00
44 2020-10-31 5943 0.00 61 0.00 122 0.00 510 0.00 4960 0.00 268 0.00
45 2020-11-07 6743 0.03 74 0.00 130 0.00 554 0.00 5708 0.04 248 0.00
46 2020-11-14 6611 0.03 129 0.00 117 0.00 514 0.00 5570 0.04 234 0.00
47 2020-11-21 6698 0.04 116 0.00 105 0.00 460 0.00 5690 0.05 293 0.00
48 2020-11-28 6644 0.02 145 0.00 134 0.00 584 0.00 5369 0.02 362 0.00
49 2020-12-05 4183 0.05 135 0.00 127 0.00 544 0.00 2889 0.07 362 0.00
50 2020-12-12 3532 0.11 127 0.00 86 1.16 523 0.00 2406 0.04 339 0.59
51 2020-12-19 3720 0.05 99 0.00 322 0.00 1048 0.10 1868 0.00 344 0.29
52 2020-12-26 2886 0.07 129 0.00 105 0.00 1014 0.00 1216 0.00 401 0.50
53 2021-01-02 2552 0.12 129 0.00 142 0.00 850 0.24 1056 0.00 350 0.29
1 2021-01-09 3061 0.16 215 0.00 140 0.00 879 0.23 1460 0.14 319 0.31
2 2021-01-16 3119 0.26 180 0.00 107 0.00 726 0.14 1613 0.06 417 1.44
3 2021-01-23 2524 0.16 234 0.00 118 0.00 639 0.31 1038 0.10 470 0.21
4 2021-01-30 2384 0.13 179 0.00 126 0.79 719 0.00 915 0.11 414 0.24
5 2021-02-06 2508 0.20 165 0.00 112 1.79 746 0.27 992 0.00 480 0.21
6 2021-02-13 2265 0.13 191 0.00 118 0.85 725 0.00 747 0.13 450 0.22
7 2021-02-20 2186 0.14 198 0.00 161 1.24 665 0.00 706 0.14 449 0.00
8 2021-02-27 2243 0.36 200 0.00 141 4.26 598 0.17 751 0.00 534 0.19
9 2021-03-06 2328 0.34 193 0.00 124 5.65 651 0.15 856 0.00 497 0.00
10 2021-03-13 2438 0.33 225 0.00 134 4.48 690 0.00 926 0.11 455 0.00
11 2021-03-20 2236 0.54 305 0.00 129 3.88 646 0.15 700 0.71 446 0.22
12 2021-03-27 2300 0.30 343 0.00 128 4.69 666 0.00 650 0.15 507 0.00
13 2021-04-03 2174 0.41 287 0.00 138 5.80 642 0.00 634 0.16 467 0.00
14 2021-04-10 1954 1.07 218 0.00 169 11.24 269 0.37 908 0.11 386 0.00
15 2021-04-17 1872 0.69 256 0.00 158 8.23 301 0.00 808 0.00 339 0.00
16 2021-04-24 1765 0.96 193 0.52 187 6.95 314 0.32 715 0.28 349 0.00
17 2021-05-01 2027 0.69 354 0.00 132 9.09 320 0.00 789 0.25 422 0.00
18 2021-05-08 1970 0.86 357 0.00 162 8.02 278 0.36 748 0.40 418 0.00
19 2021-05-15 1726 0.75 232 0.00 160 6.25 272 0.00 685 0.44 368 0.00
20 2021-05-22 1626 1.17 260 0.00 112 12.50 255 0.39 591 0.51 403 0.25
21 2021-05-29 1458 0.69 302 0.66 136 3.68 197 1.52 510 0.00 308 0.00
22 2021-06-05 1330 0.75 131 0.00 142 6.34 247 0.40 462 0.00 340 0.00
23 2021-06-12 1295 0.62 117 0.00 153 3.92 195 0.00 502 0.00 319 0.63
24 2021-06-19 1208 0.50 117 0.00 154 3.25 198 0.00 417 0.24 321 0.00
25 2021-06-26 1292 0.54 124 0.00 182 2.20 197 0.51 479 0.42 308 0.00
26 2021-07-03 1134 0.88 98 1.02 193 2.59 142 2.11 427 0.00 274 0.36
27 2021-07-10 1158 0.17 85 0.00 124 0.00 187 0.53 506 0.00 248 0.40
28 2021-07-17 1352 0.89 167 0.00 172 3.49 200 1.00 571 0.53 236 0.42
29 2021-07-24 1199 1.08 88 0.00 230 2.61 148 1.35 556 0.72 174 0.57

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