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Respiratory Virus Report, week 28 - ending July 17, 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 17, 2021 (surveillance week 2021-28)
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 221 0 0 0 0 0 221 0 221 0 0 0 0 0 221 1 221 0 100 3 N.C. N.C.
Prince Edward Island 34 0 0 0 0 0 34 0 34 0 0 0 0 0 34 0 34 0 34 6 34 0
Nova Scotia 41 0 0 0 0 0 41 0 35 0 0 0 0 0 35 0 35 0 35 1 35 0
New Brunswick 125 0 0 0 0 0 120 0 98 0 0 0 0 0 98 0 98 0 98 0 98 0
Atlantic 421 0 0 0 0 0 416 0 388 0 0 0 0 0 388 1 388 0 267 10 167 0
Région Nord-Est 420 0 0 0 0 0 22 0 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Québec-Chaudière-Appalaches 30 0 0 0 0 0 30 0 29 0 0 4 0 0 29 1 29 0 N.C. N.C. 29 0
Centre-du-Québec 15 0 0 0 0 0 15 0 19 0 0 6 0 0 19 2 19 0 N.C. N.C. 19 0
Montréal-Laval   418 0 0 0 0 0 418 32 124 25 0 31 0 0 124 6 124 0 N.C. N.C. 124 6
Ouest du Québec 14 0 0 0 0 0 14 0 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Montérégie 9 0 0 0 0 0 9 0 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Province of Québec  906 0 0 0 0 0 508 32 172 25 0 41 0 0 172 9 172 0 N.C. N.C. 172 6
P.H.O.L. - Ottawa 17 0 0 0 0 0 17 0 14 0 0 0 0 0 14 0 14 0 14 2 14 0
CHEO - Ottawa 42 0 0 0 0 0 42 0 18 0 0 3 0 0 18 1 18 0 18 0 18 1
P.H.O.L. - Kingston 9 0 0 0 0 0 9 0 7 0 0 0 0 0 7 1 7 0 7 1 7 0
UHN / Mount Sinai Hospital 365 0 0 0 0 0 365 0 15 0 0 0 0 0 15 0 0 0 15 0 15 1
P.H.O.L. - Toronto   116 0 0 0 0 0 116 0 91 0 0 0 0 1 91 0 91 0 91 4 91 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 2 0 0 0 0 0 2 0 2 0 0 0 0 0 2 1 2 0 2 1 2 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 9 0 0 0 0 0 9 0 2 0 0 0 0 0 2 0 2 0 2 0 2 0
P.H.O.L. - Orillia 8 0 0 0 0 0 8 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 4 0 0 0 0 0 4 0 1 0 0 0 0 0 1 0 1 0 1 0 1 0
P.H.O.L. - Hamilton 15 0 0 0 0 0 15 0 13 0 0 0 0 0 13 0 13 0 13 0 13 0
P.H.O.L. - Peterborough 8 0 0 0 0 0 8 0 8 0 0 0 0 0 8 0 8 0 8 0 8 0
St. Joseph's - Hamilton 141 0 0 0 0 0 141 0 141 0 0 2 0 0 141 1 141 0 141 9 0 0
Province of Ontario 739 0 0 0 0 0 739 0 315 0 0 5 0 1 315 4 300 0 315 19 174 2
Province of Manitoba    1031 0 0 0 0 0 1031 0 21 0 0 0 0 0 21 0 66 0 21 4 66 0
Province of Saskatchewan 43 0 0 0 0 0 43 0 39 0 0 0 0 0 39 0 39 0 39 5 39 1
Province of Alberta 1160 0 0 0 0 0 425 0 425 0 0 0 1 0 425 1 425 0 425 165 425 2
Prairies 2234 0 0 0 0 0 1499 0 485 0 0 0 1 0 485 1 530 0 485 174 530 3
British Columbia 525 0 0 0 0 0 525 0 413 0 0 0 0 0 413 5 245 1 240 25 237 1
Yukon 168 0 0 0 0 0 168 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 6 0 0 0 0 0 6 0 6 0 0 0 0 0 6 0 6 0 6 0 6 0
Nunavut 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Territories 175 0 0 0 0 0 174 0 6 0 0 0 0 0 6 0 6 0 6 0 6 0
CANADA 5000 0 0 0 0 0 3861 32 1779 25 0 46 1 1 1779 20 1641 1 1313 228 1286 12

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 17, 2021 (surveillance week 2020-35 to 2021-28)
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 13885 0 0 0 0 0 13884 10 13884 1 0 3 0 0 13897 57 13297 2 13362 2209 N.C. N.C.
Prince Edward Island 4183 0 0 0 0 0 4183 4 4179 3 0 0 1 0 4179 42 4179 0 4179 482 4179 2
Nova Scotia 8624 0 0 0 0 0 8627 0 1472 0 10 0 1 0 1472 16 1472 1 1472 88 1500 0
New Brunswick 54699 0 0 0 0 1 20606 0 1688 0 0 0 0 0 1679 11 1679 0 1679 62 1634 2
Atlantic 81391 0 0 0 0 1 47300 14 21223 4 10 3 2 0 21227 126 20627 3 20692 2841 7313 4
Région Nord-Est 9846 0 0 0 0 0 1236 1 8 0 0 0 0 0 8 1 8 0 N.C. N.C. 8 0
Québec-Chaudière-Appalaches 916 0 0 1 1 0 1039 3 858 0 0 39 1 0 860 50 855 0 N.C. N.C. 838 31
Centre-du-Québec 968 0 0 0 0 0 976 2 465 0 0 17 0 0 463 25 465 0 N.C. N.C. 462 17
Montréal-Laval   12057 0 0 0 0 0 11101 262 5122 88 0 122 0 0 5176 191 5106 4 N.C. N.C. 5106 133
Ouest du Québec 2565 0 0 0 0 0 2508 0 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Montérégie 1261 0 0 0 0 0 1261 2 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Province of Québec  27613 0 0 1 1 0 18121 270 6453 88 0 178 1 0 6507 267 6434 4 N.C. N.C. 6414 181
P.H.O.L. - Ottawa 663 0 0 0 0 0 663 1 553 0 0 0 0 0 553 0 552 0 553 26 552 2
CHEO - Ottawa 5421 0 0 1 1 1 5018 5 1136 0 0 3 0 0 1011 16 1011 1 1011 111 1011 6
P.H.O.L. - Kingston 919 0 0 1 1 0 919 0 594 0 0 0 0 0 594 5 587 0 594 109 587 0
UHN / Mount Sinai Hospital 16587 2 0 2 4 1 16518 7 10702 3 2 5 8 0 9076 10 10647 10 10459 105 8498 7
P.H.O.L. - Toronto   7156 0 0 0 0 0 7153 3 6130 0 0 0 0 4 6131 19 6128 2 6130 174 6128 6
Sick Kids Hospital - Toronto 1237 0 0 0 0 0 0 0 1237 0 0 0 0 0 1237 18 1237 0 1237 119 1237 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 2007 1 0 5 6 2 1997 0 1339 0 0 0 0 2 1339 2 1333 0 1339 127 1333 3
P.H.O.L. - Orillia 420 0 0 1 1 0 418 0 204 0 0 0 0 0 204 2 204 0 204 12 204 0
P.H.O.L. - Thunder Bay 426 0 0 0 0 0 426 0 406 0 0 0 0 0 407 3 406 0 406 140 406 0
P.H.O.L. - Sudbury 526 0 0 0 0 0 524 0 347 0 0 0 0 4 347 3 347 0 347 30 347 5
P.H.O.L. - Hamilton 1576 0 0 0 0 0 1521 1 1265 0 0 0 0 0 1265 2 1265 0 1265 103 1265 0
P.H.O.L. - Peterborough 569 0 0 1 1 0 523 0 410 0 0 0 0 0 410 0 409 0 410 26 409 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 49163 3 0 13 16 4 47334 20 35280 3 2 12 8 10 33531 105 35082 13 34948 1614 22290 30
Manitoba    65598 0 1 3 4 2 65588 69 2892 0 1 2 0 0 2892 20 4051 1 2892 180 4051 6
Province of Saskatchewan 172081 0 0 1 1 0 27214 4 2144 0 0 1 1 0 2144 18 2144 4 2144 221 2144 14
Province of Alberta 134921 7 0 6 13 0 80361 0 80361 2 20 7 10 0 80361 168 80361 11 80361 7082 80361 33
Prairies 372600 7 1 10 18 2 173163 73 85397 2 21 10 11 0 85397 206 86556 16 85397 7483 86556 53
British Columbia 91965 3 8 1 10 8 91466 6 20491 2 4 1 14 6 21037 137 20666 69 20450 1677 16296 25
Yukon 7499 0 0 8 8 7 7408 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 1222 0 0 0 0 0 1165 0 1165 0 0 0 1 0 1165 12 1165 1 1165 327 1165 1
Nunavut 1127 0 0 0 0 0 1103 0 1103 3 1 0 0 0 1103 25 1103 5 1103 282 191 0
Territories 9848 0 0 8 8 7 9676 4 2268 3 1 0 1 0 2268 37 2268 6 2268 609 1356 1
CANADA 632580 13 9 33 53 22 387060 387 171112 102 38 204 37 16 169967 878 171633 111 163755 14224 140225 294

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 2.39 8.38 3.40 5.36 1.27 3.02 1.87 2.55 0.07 2.28 0.44 1.22 14.94 25.35 22.07 23.65 0.18 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 0.83 1.28 0.11 0.48 4.10 6.57 3.76 4.83 1.12 3.00 1.78 2.28 0.06 1.58 0.66 0.94 17.36 22.73 20.04 21.41 0.93 1.32 0.17 0.69

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 34 18 1 177 2 4 0
28 73 20 1 228 12 32 0

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 4870 0.00 0.00 301 0.00 0.00 535 0.00 0.00 726 0.00 0.00 2361 0.00 0.00 638 0.00 0.00 309 0.00 0.00
28 2021-07-17 5000 0.00 0.00 421 0.00 0.00 906 0.00 0.00 739 0.00 0.00 2234 0.00 0.00 525 0.00 0.00 175 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

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 1421 2.39 277 0.00 124 22.58 318 0.63 438 0.46 256 0.78
28 2021-07-17 1779 4.10 388 0.00 172 38.37 315 1.90 485 0.21 245 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 1421 1.27 277 1.08 124 5.65 318 0.31 438 0.46 256 1.95
28 2021-07-17 1779 1.12 388 0.26 172 5.23 315 1.27 485 0.21 245 2.04

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 1488 0.07 277 0.00 124 0.00 317 0.00 506 0.00 256 0.39
28 2021-07-17 1641 0.06 388 0.00 172 0.00 300 0.00 530 0.00 245 0.41

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 1185 14.94 169 4.73 N.A. N.A. 318 6.60 438 25.57 252 13.89
28 2021-07-17 1313 17.36 267 3.75 N.A. N.A. 315 6.03 485 35.88 240 10.42

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 1128 0.18 85 0.00 124 0.00 157 0.64 506 0.00 248 0.40
28 2021-07-17 1286 0.93 167 0.00 172 3.49 174 1.15 530 0.57 237 0.42

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