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Respiratory Virus Report, week 38 - ending September 19, 2020

In this Respiratory Virus Report, the number of detections of coronavirus reflects only seasonal human coronaviruses, not the novel pandemic coronavirus (SARS-CoV2) that causes COVID-19. For information on COVID-19, see the Coronavirus disease (COVID-19): Outbreak update.

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Organization: Public Health Agency of Canada

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List of abbreviations
A(H1N1)pdm09
Influenza A(H1N1)pdm09
A(H3)
Influenza A(H3N2)
A (UnS)
Influenza A (Unsubtyped)
Adeno
Adenovirus
CHEO
Children's Hospital of Eastern Ontario
Coron
Coronavirus
Entero
Enterovirus
hMPV
human metapneumovirus
HSC
Health Sciences Centre
N.A
Not Applicable
P.H.L.
Public Health Laboratory
P.H.O.L.
Public Health Ontario Laboratory
PIV
Parainfluenza
Rhino
Rhinovirus
RSV
Respiratory syncytial virus
UHN
University Health Network

Respiratory Virus Detections and Isolations

Table 1: Respiratory Virus Detections/Isolations for the week ending September 19, 2020 (Reporting Week 202038)
Reporting Laboratory Flu Tested A(H1N1)pdm09 Positive A(H3) Positive A(UnS) Positive Total Flu A Positive Total Flu B Positive RSV Tested RSV Positive PIV Tested PIV 1 Positive PIV 2 Positive PIV 3 Positive PIV 4 Positive Other PIV Positive Adeno Tested Adeno Positive hMPV Tested hMPV Positive Entero/Rhino Tested Entero/Rhino Positive Coron Tested Coron Positive
Newfoundland 447 0 0 0 0 0 447 0 447 0 0 0 0 0 447 3 447 0 447 216 N.A. N.A.
Prince Edward Island 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Nova Scotia 10 0 0 0 0 0 10 0 10 0 0 0 0 0 10 0 10 0 10 2 10 0
New Brunswick 8 0 0 0 0 0 8 0 8 0 0 0 0 0 8 1 8 0 8 0 8 0
Atlantic 465 0 0 0 0 0 465 0 465 0 0 0 0 0 465 4 465 0 465 218 18 0
Région Nord-Est 16 0 0 0 0 0 16 0 0 0 0 0 0 0 0 0 0 0 N.A. N.A. 0 0
Québec-Chaudière-Appalaches 2 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 N.A. N.A. 0 0
Centre-du-Québec 8 0 0 0 0 0 8 0 5 0 0 0 0 0 3 0 5 0 N.A. N.A. 5 0
Montréal-Laval   82 0 0 0 0 0 82 0 47 0 0 0 0 0 47 0 42 0 N.A. N.A. 42 0
Ouest du Québec 15 0 0 0 0 0 15 0 0 0 0 0 0 0 0 0 0 0 N.A. N.A. 0 0
Montérégie 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N.A. N.A. 0 0
Province of Québec 123 0 0 0 0 0 123 0 52 0 0 0 0 0 50 0 47 0 N.A. N.A. 47 0
P.H.O.L. - Ottawa 4 0 0 0 0 0 4 0 4 0 0 0 0 0 4 0 4 0 4 0 4 0
CHEO - Ottawa 90 0 0 1 1 5 90 2 27 0 0 0 0 0 27 0 27 0 27 5 27 0
P.H.O.L. - Kingston 22 0 0 0 0 0 22 0 22 0 0 0 0 0 22 1 22 0 22 11 22 0
UHN / Mount Sinai Hospital 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. - Toronto   113 0 0 0 0 0 113 1 113 0 0 0 0 0 113 1 113 0 113 6 113 0
Sick Kids Hospital - Toronto 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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 1 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 1 0 1 0 1 0
P.H.O.L. - Timmins 18 0 0 0 0 0 18 0 18 0 0 0 0 0 18 0 18 0 18 4 18 0
St. Joseph's - London   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. - London 11 0 0 0 0 0 11 0 11 0 0 0 0 0 11 0 11 0 11 0 11 0
P.H.O.L. - Orillia 3 0 0 0 0 0 3 0 3 0 0 0 0 0 3 0 3 0 3 0 3 0
P.H.O.L. - Thunder Bay 30 0 0 0 0 0 30 0 30 0 0 0 0 0 30 0 30 0 30 15 30 0
P.H.O.L. - Sudbury 9 0 0 0 0 0 9 0 9 0 0 0 0 0 9 0 9 0 9 0 9 0
P.H.O.L. - Hamilton 25 0 0 0 0 0 25 0 25 0 0 0 0 0 25 0 25 0 25 4 25 0
P.H.O.L. - Peterborough 11 0 0 0 0 0 11 0 11 0 0 0 0 0 11 0 11 0 11 0 11 0
St. Joseph's - Hamilton 60 0 0 0 0 0 60 0 60 0 0 0 0 0 60 0 60 0 60 12 0 0
Province of Ontario 397 0 0 1 1 5 397 3 334 0 0 0 0 0 334 2 334 0 334 57 274 0
Province of Manitoba    535 0 0 0 0 0 535 2 67 0 0 0 0 0 67 5 59 0 67 7 59 0
Regina   60 0 0 0 0 0 60 1 69 0 0 0 0 0 69 0 69 0 69 12 69 0
Saskatoon    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Province of Saskatchewan 60 0 0 0 0 0 60 1 69 0 0 0 0 0 69 0 69 0 69 12 69 0
Province of Alberta 2299 0 0 0 0 0 2298 0 2298 0 0 0 0 0 2298 4 2298 0 2298 189 2298 0
Prairies 2894 0 0 0 0 0 2893 3 2434 0 0 0 0 0 2434 9 2426 0 2434 208 2426 0
British Columbia 1045 0 0 0 0 0 1046 0 246 0 0 0 0 0 240 6 246 1 236 33 236 0
Yukon 314 0 0 0 0 0 314 0 N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A.
Northwest Territories 25 0 0 0 0 0 25 0 25 0 0 0 0 0 25 0 25 0 25 2 25 0
Nunavut 130 0 0 0 0 0 130 0 130 1 0 0 0 0 130 0 130 0 130 28 1 0
Territories 469 0 0 0 0 0 469 0 155 1 0 0 0 0 155 0 155 0 155 30 26 0
CANADA 5393 0 0 1 1 5 5393 6 3686 1 0 0 0 0 3678 21 3673 1 3624 546 3027 0

Specimens from Yukon (YT), Northwest Territories (NT) and Nunavit (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, Victoria Coastal Health, BCCDC Public Health Laboratory, Interior Health Authority sites and Northern Health Authority sites.

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

For BC, only data from subtyped influenza A specimens are included in the weekly number of influenza detections and so the sum of A(H1N1)pdm09, A(H3), and A(UnS) positive results may not equal the sum of total Flu A positive results.
Table 2: Respiratory Virus Detections/Isolations for the period August 23, 2019 - September 19, 2020 (Reporting Weeks 202035-202038)
Reporting Laboratory Flu Tested A(H1N1)pdm09 Positive A(H3) Positive A(UnS) Positive Total Flu A Positive Total Flu B Positive RSV Tested RSV Positive PIV Tested PIV 1 Positive PIV 2 Positive PIV 3 Positive PIV 4 Positive Other PIV Positive Adeno Tested Adeno Positive hMPV Tested hMPV Positive Entero/Rhino Tested Entero/Rhino Positive Coron Tested Coron Positive
Newfoundland 901 0 0 0 0 0 901 0 901 0 0 0 0 0 901 3 901 0 901 230 N.A. N.A.
Prince Edward Island 5 0 0 0 0 0 5 0 5 0 0 0 0 0 5 0 5 0 5 1 5 0
Nova Scotia 37 0 0 0 0 0 37 0 35 0 0 0 0 0 35 0 35 0 35 3 35 0
New Brunswick 74 0 0 0 0 0 74 0 66 0 0 0 0 0 57 2 57 0 57 3 41 0
Atlantic 1017 0 0 0 0 0 1017 0 1007 0 0 0 0 0 998 5 998 0 998 237 81 0
Région Nord-Est 56 0 0 0 0 0 48 0 0 0 0 0 0 0 0 0 0 0 N.A. N.A. 0 0
Québec-Chaudière-Appalaches 47 0 0 0 0 0 57 0 43 0 0 0 0 0 45 2 41 0 N.A. N.A. 41 0
Centre-du-Québec 21 0 0 0 0 0 21 0 23 0 0 0 0 0 21 0 23 0 N.A. N.A. 23 0
Montréal-Laval   364 0 0 0 0 0 362 1 287 0 0 0 0 0 341 5 281 0 N.A. N.A. 281 0
Ouest du Québec 32 0 0 0 0 0 31 0 0 0 0 0 0 0 0 0 0 0 N.A. N.A. 0 0
Montérégie 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 N.A. N.A. 0 0
Province of Québec 520 0 0 0 0 0 519 1 353 0 0 0 0 0 407 7 345 0 N.A. N.A. 345 0
P.H.O.L. - Ottawa 24 0 0 0 0 0 24 0 24 0 0 0 0 0 24 0 24 0 24 0 24 0
CHEO - Ottawa 394 0 0 1 1 10 191 2 89 0 0 0 0 0 89 0 89 0 89 8 89 0
P.H.O.L. - Kingston 70 0 0 0 0 0 70 0 70 0 0 0 0 0 70 2 70 0 70 34 70 0
UHN / Mount Sinai Hospital 0 0 0 0 0 0 0 0 40 0 1 0 0 0 0 0 0 0 0 0 40 0
P.H.O.L. - Toronto   469 0 0 0 0 0 469 1 469 0 0 0 0 0 470 1 469 0 469 8 469 1
Sick Kids Hospital - Toronto 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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 3 0 0 0 0 0 3 0 3 0 0 0 0 0 3 0 3 0 3 0 3 0
P.H.O.L. - Timmins 19 0 0 0 0 0 19 0 19 0 0 0 0 0 19 0 19 0 19 4 19 0
St. Joseph's - London   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. - London 63 0 0 0 0 0 63 0 63 0 0 0 0 0 63 0 59 0 63 1 59 0
P.H.O.L. - Orillia 10 0 0 0 0 0 10 0 10 0 0 0 0 0 10 0 10 0 10 0 10 0
P.H.O.L. - Thunder Bay 109 0 0 0 0 0 109 0 109 0 0 0 0 0 109 1 109 0 109 52 109 0
P.H.O.L. - Sudbury 25 0 0 0 0 0 25 0 25 0 0 0 0 0 25 0 25 0 25 0 25 0
P.H.O.L. - Hamilton 80 0 0 0 0 0 76 0 76 0 0 0 0 0 76 0 76 0 76 5 76 0
P.H.O.L. - Peterborough 43 0 0 0 0 0 43 0 43 0 0 0 0 0 43 0 43 0 43 0 43 0
St. Joseph's - Hamilton 250 0 0 0 0 0 250 0 250 0 0 0 0 0 250 0 250 0 250 21 0 0
Province of Ontario 1559 0 0 1 1 10 1352 3 1290 0 1 0 0 0 1251 4 1246 0 1250 133 1036 1
Manitoba    1985 0 0 0 0 0 1985 3 321 0 1 0 0 0 321 7 296 0 321 33 296 1
Regina   227 0 0 0 0 0 227 1 221 0 0 0 0 0 221 1 221 0 221 32 221 0
Saskatoon    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Province of Saskatchewan 227 0 0 0 0 0 227 1 221 0 0 0 0 0 221 1 221 0 221 32 221 0
Province of Alberta 10142 0 0 0 0 0 10138 0 10138 1 10 0 1 0 10138 21 10138 4 10138 808 10138 2
Prairies 12354 0 0 0 0 0 12350 4 10680 1 11 0 1 0 10680 29 10655 4 10680 873 10655 3
British Columbia 3473 0 0 0 0 0 3474 0 638 0 0 0 0 0 632 7 638 3 581 56 581 0
Yukon 827 0 0 0 0 0 656 2 N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A.
Northwest Territories 120 0 0 0 0 0 120 0 120 0 0 0 0 0 120 0 120 0 120 40 120 0
Nunavut 489 0 0 0 0 0 489 0 489 1 1 0 0 0 489 5 489 4 489 112 67 0
Territories 1436 0 0 0 0 0 1265 2 609 1 1 0 0 0 609 5 609 4 609 152 187 0
CANADA 20359 0 0 1 1 10 19977 10 14577 2 13 0 1 0 14577 57 14491 11 14118 1451 12885 4

Specimens from YT, NT and 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, Victoria Coastal Health, 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 reporting delays, the sum of weekly report totals do not add up to cumulative totals.

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

Number of positive laboratory tests for other respiratory viruses

Figure 1: Number positive laboratory tests for other respiratory viruses by report week, Canada, 2020-2021

Figure 1. Text version below.

Figure 1 - Text description
Number positive laboratory tests for other respiratory viruses by report week, Canada, 2020-2021
Week ParaInfluenza Adenovirus Human metapneumovirus Enterovirus/Rhinovirus Coronavirus Respiratory syncytial virus
35 3 10 6 319 2 1
36 7 13 2 277 0 2
37 5 13 2 309 2 1
38 1 21 1 546 0 6

Positive Influenza tests

Figure 2: Positive Influenza Tests (%) in Canada by Region by Week of Report

Figure 2. Text version below.

Figure 2 - Text description
Positive Influenza Tests (%) in Canada by Region by Week of Report
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 29-08-2020 4822 0.00 0.02 151 0.00 0.00 104 0.00 0.00 400 0.00 0.25 3032 0.00 0.00 812 0.00 0.00 323 0 0
36 05-09-2020 5007 0.00 0.04 169 0.00 0.00 133 0.00 0.00 349 0.00 0.57 3163 0.00 0.00 839 0.00 0.00 354 0 0
37 12-09-2020 5137 0.00 0.04 232 0.00 0.00 160 0.00 0.00 413 0.00 0.48 3265 0.00 0.00 777 0.00 0.00 290 0 0
38 19-09-2020 5393 0.02 0.09 465 0.00 0.00 123 0.00 0.00 397 0.25 1.26 2894 0.00 0.00 1045 0.00 0.00 469 0 0

Positive Respiratory synctial virus tests

Figure 3: Positive Respiratory syncytial virus (RSV) Tests (%) in Canada by Region by Week of Report

Figure 3. Text version below.

Figure 3 - Text description
Positive Respiratory syncytial virus (RSV) Tests (%) in Canada by Region by Week of Report
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 29-08-2020 4641 0.02 151 0 100 1 396 0 3030 0 812 0 152 0
36 05-09-2020 4934 0.04 169 0 139 0 271 0 3162 0 839 0 354 0.56
37 12-09-2020 5009 0.02 232 0 157 0 288 0 3265 0.03 777 0 290 0
38 19-09-2020 5393 0.11 465 0 123 0 397 0.76 2893 0.1 1046 0 469 0

Positive Parainfluenza tests

Figure 4: Positive Parainfluenza (PIV) Tests (%) in Canada by Region by Week of Report

Figure 4. Text version below.

Figure 4 - Text description
Positive Parainfluenza (PIV) Tests (%) in Canada by Region by Week of Report
Week Week End Canada Tests PIV
%		 Atl Tests PIV
%		 QC Tests PIV
%		 ON Tests PIV
%		 Pr Tests PIV
%		 BC Tests PIV
%
35 29-08-2020 3557 0.08 154 0 81 0 344 0 2672 0.11 154 0
36 05-09-2020 3456 0.2 156 0 110 0 300 0 2617 0.23 122 0
37 12-09-2020 3866 0.13 232 0 110 0 300 0.33 2957 0.14 115 0
38 19-09-2020 3686 0.03 465 0 52 0 334 0 2434 0 245 0

Positive Adenovirus tests

Figure 5: Positive Adenovirus (adeno) Tests (%) in Canada by Region by Week of Report

Figure 5. Text version below.

Figure 5 - Text description
Positive Adenovirus (adeno) Tests (%) in Canada by Region by Week of Report
Week Week End Can Tests Adeno
%		 Atl Tests Adeno
%		 QC Tests Adeno
%		 ON Tests Adeno
%		 Pr Tests Adeno
%		 BC Tests Adeno
%
35 29-08-2020 3611 0.28 154 0 135 1.48 344 0 2672 0.15 154 0.65
36 05-09-2020 3441 0.38 156 0.64 110 2.73 285 0.35 2617 0.31 122 0
37 12-09-2020 3847 0.34 223 0 112 1.79 288 0.35 2957 0.27 115 0
38 19-09-2020 3678 0.57 465 0.86 50 0 334 0.6 2434 0.37 239 2.51

Positive Human metapneumovirus tests

Figure 6: Positive human metapneumovirus (hMPV) Tests (%) in Canada by Region by Week of Report

Figure 6. Text version below.

Figure 6 - Text description
Positive human metapneumovirus (hMPV) Tests (%) in Canada by Region by Week of Report
Week Week End Can Tests hMPV
%		 Atl Tests hMPV
%		 QC Tests hMPV
%		 ON Tests hMPV
%		 Pr Tests hMPV
%		 BC Tests hMPV
%
35 29-08-2020 3547 0.17 154 0.00 80 0 344 0 2663 0.04 154 1.3
36 05-09-2020 3429 0.06 156 0.00 108 0 281 0 2611 0.04 122 0
37 12-09-2020 3842 0.05 223 0.00 110 0 287 0 2955 0.07 115 0
38 19-09-2020 3673 0.03 465 0.00 47 0 334 0 2426 0 245 0.41

Positive Enterovirus/Rhinovirus tests

Figure 7: Positive Enterovirus/Rhinovirus (entero/rhino) Tests (%) in Canada by Region by Week of Report

Figure 7. Text version below.

Figure 7 - Text description
Positive Enterovirus/Rhinovirus (entero/rhino) Tests (%) in Canada by Region by Week of Report
Week Week End Canada Tests Entero/rhino
%		 Atl Tests Entero/rhino
%		 QC Tests Entero/rhino
%		 ON Tests Entero/rhino
%		 Pr Tests Entero/rhino
%		 BC Tests Entero/rhino
%
35 29-08-2020 3465 9.21 154 1.95 N.A. N.A. 344 4.65 2672 9.09 143 7.69
36 05-09-2020 3316 8.35 156 7.05 N.A. N.A. 284 9.15 2617 7.49 108 4.63
37 12-09-2020 3713 8.32 223 2.24 N.A. N.A. 288 11.81 2957 7.64 93 7.53
38 19-09-2020 3624 15.07 465 46.88 N.A. N.A. 334 17.07 2434 8.55 235 13.62

Positive Coronavirus tests

Figure 8: Positive Coronavirus (coron) Tests (%) in Canada by Region by Week of Report

Figure 8. Text version below.

Figure 8 - Text description
Positive Coronavirus (coron) Tests (%) in Canada by Region by Week of Report
Week Week End Canada Tests Coron
%		 Atl Tests Coron
%		 QC Tests Coron
%		 ON Tests Coron
%		 Pr Tests Coron
%		 BC Tests Coron
%
35 29-08-2020 3233 0.06 29 0 80 0 268 0 2663 0.08 143 0
36 05-09-2020 3127 0 8 0 108 0 246 0 2611 0 108 0
37 12-09-2020 3486 0.06 26 0 110 0 236 0.42 2955 0.03 93 0
38 19-09-2020 3027 0 18 0 47 0 274 0 2426 0 235 0

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