Posted 2011-09-16
Overall Influenza Summary
Influenza Activity and Outbreaks
In week 35, two regions in Quebec reported sporadic influenza activity. In week 36, one region in Alberta reported sporadic activity. Saskatchewan and Prince Edward Island have not yet started reporting for the 2011-2012 season (see Activity level Map). No new outbreaks of influenza or ILI were reported in weeks 35 or 36.
Map of overall Influenza activity level by province and territory, Canada, Week 36
No Data
No Activity
Sporadic Activity
Localized Activity
Widespread Activity
Note: Influenza activity levels, as represented on this map, are assigned and reported by Provincial and Territorial Ministries of Health, based on laboratory confirmations, sentinel ILI rates (see graphs and tables) and reported outbreaks. Please refer to detailed definitions on the last page. For areas where no data is reported, late reports from these provinces and territories will appear on the FluWatch website.
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Number of influenza surveillance regions<SUP title="sub-regions within the province or territory as defined by the provincial/territorial epidemiologist. Graph may change as late returns come in">?</SUP> reporting widespread or localized influenza activity, Canada, by report week, 2011-2012 (N=56)
? sub-regions within the province or territory as defined by the provincial/territorial epidemiologist. Graph may change as late returns come in.
Text Equivalent
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Overall Number of Influenza Outbreaks, Canada, by Report Week, 2011-2012
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ILI consultation rate
The national ILI consultation rate was 6.1 and 3.8 consultations per 1,000 patient visits in weeks 35 and 36, respectively, which is within the expected levels for this time of year (see ILI graph). In both weeks, the highest consultation rate was observed among children under 5 years of age.
Influenza-like illness (ILI) consultation rates, Canada, by report week, 2011-2012 compared to 1996/97 through to 2008/09 seasons
Note: No data available for mean rate in previous years for weeks 19 to 39 (1996-1997 through 2002-2003 seasons). Delays in the reporting of data may cause data to change retrospectively.
Text Equivalent
Laboratory Surveillance Summary
Only 6 detections of influenza were reported across Canada in weeks 35 and 36, one pH1N1 2009 (AB), 3 unsubtyped influenza A (QC), and 2 influenza B (QC). The proportion of tests positive for influenza was 0.5% in week 35 and 0.2% in week 36 (see Influenza tests graph). No detailed case-based laboratory reporting has been received for the 2011-12 season (week 35 & 36) (see Tests detailed table). During week 36, detections of other respiratory viruses continued at low levels: 0.5% of tests for respiratory syncytial virus (RSV) were positive, 3.1% for parainfluenza, and 1.9% for adenovirus (see Respiratory Viruses graph). Rhinovirus detections continued to decline from the peak in mid-July, and in week 36 20.0% of tests were positive. For more details of weekly respiratory virus detections in Canada, see http://www.phac-aspc.gc.ca/bid-bmi/dsd-dsm/rvdi-divr/index-eng.php.
<TABLE class=widthFull border=1 cellSpacing=0 cellPadding=2><CAPTION>Weekly & Cumulative numbers of positive influenza specimens
by Provincial Laboratories, Canada, 2011-2012
</CAPTION><THEAD><TR class=bg-colour-blue><TH id=ar1 rowSpan=3>Reporting provinces </TH><TH id=ac1 colSpan=6>Weekly
(August 28 to September 10, 2011)
</TH><TH id=ac9 colSpan=6>Cumulative
(August 29, 2010 to September 10, 2011)
</TH></TR><TR class=bg-colour-blue><TH id=ac2 colSpan=5 headers=ac1>Influenza A </TH><TH id=ac8 headers=ac1>B </TH><TH id=ac10 colSpan=5 headers=ac9>Influenza A </TH><TH id=ac16 headers=ac9>B </TH></TR><TR class=bg-colour-blue><TH id=ac3 headers="ac1 ac2">A Total </TH><TH id=ac4 headers="ac1 ac2">A(H1) </TH><TH id=ac5 headers="ac1 ac2">A(H3) </TH><TH id=ac6 headers="ac1 ac2">Pand H1N1 </TH><TH id=ac7 class=noWrap headers="ac1 ac2">A (Un S)* </TH><TH headers="ac1 ac8">Total </TH><TH id=ac11 headers="ac9 ac10">A Total </TH><TH id=ac12 headers="ac9 ac10">A(H1) </TH><TH id=ac13 headers="ac9 ac10">A(H3) </TH><TH id=ac14 headers="ac9 ac10">Pand H1N1 </TH><TH id=ac15 class=noWrap headers="ac9 ac10">A (Un S)* </TH><TH headers="ac9 ac16">Total </TH></TR></THEAD><TFOOT><TR><TD id=ar13 class=fontSize85 colSpan=13 headers=ar1>* Unsubtyped: The specimen was typed as influenza A, but no test for subtyping was performed. Specimens from NT, YT, and NU are sent to reference laboratories in other provinces.
Note: Cumulative data includes updates to previous weeks; due to reporting delays, the sum of weekly report totals do not add up to cumulative totals.
</TD></TR></TFOOT><TBODY><TR><TH id=ar2 class=bg-colour-blue headers=ar1>BC </TH><TD class=alignRight headers="ar1 ar2 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar2 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar2 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar2 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar2 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar2 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar2 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar2 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar2 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar2 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar2 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar2 ac9 ac16">0 </TD></TR><TR><TH id=ar3 class=bg-colour-blue headers=ar1>AB </TH><TD class=alignRight headers="ar1 ar3 ac1 ac2 ac3">1 </TD><TD class=alignRight headers="ar1 ar3 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar3 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar3 ac1 ac2 ac6">1 </TD><TD class=alignRight headers="ar1 ar3 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar3 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar3 ac9 ac10 ac11">1 </TD><TD class=alignRight headers="ar1 ar3 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar3 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar3 ac9 ac10 ac14">1 </TD><TD class=alignRight headers="ar1 ar3 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar3 ac9 ac16">0 </TD></TR><TR><TH id=ar4 class=bg-colour-blue headers=ar1>SK </TH><TD class=alignRight headers="ar1 ar4 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar4 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar4 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar4 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar4 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar4 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar4 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar4 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar4 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar4 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar4 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar4 ac9 ac16">0 </TD></TR><TR><TH id=ar5 class=bg-colour-blue headers=ar1>MB </TH><TD class=alignRight headers="ar1 ar5 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar5 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar5 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar5 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar5 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar5 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar5 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar5 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar5 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar5 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar5 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar5 ac9 ac16">0 </TD></TR><TR><TH id=ar6 class=bg-colour-blue headers=ar1>ON </TH><TD class=alignRight headers="ar1 ar6 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar6 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar6 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar6 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar6 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar6 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar6 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar6 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar6 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar6 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar6 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar6 ac9 ac16">0 </TD></TR><TR><TH id=ar7 class=bg-colour-blue headers=ar1>QC </TH><TD class=alignRight headers="ar1 ar7 ac1 ac2 ac3">3 </TD><TD class=alignRight headers="ar1 ar7 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar7 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar7 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar7 ac1 ac2 ac7">3 </TD><TD class=alignRight headers="ar1 ar7 ac1 ac8">1 </TD><TD class=alignRight headers="ar1 ar7 ac9 ac10 ac11">3 </TD><TD class=alignRight headers="ar1 ar7 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar7 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar7 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar7 ac9 ac10 ac15">3 </TD><TD class=alignRight headers="ar1 ar7 ac9 ac16">1 </TD></TR><TR><TH id=ar8 class=bg-colour-blue headers=ar1>NB </TH><TD class=alignRight headers="ar1 ar8 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar8 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar8 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar8 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar8 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar8 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar8 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar8 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar8 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar8 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar8 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar8 ac9 ac16">0 </TD></TR><TR><TH id=ar9 class=bg-colour-blue headers=ar1>NS </TH><TD class=alignRight headers="ar1 ar9 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar9 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar9 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar9 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar9 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar9 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar9 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar9 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar9 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar9 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar9 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar9 ac9 ac16">0 </TD></TR><TR><TH id=ar10 class=bg-colour-blue headers=ar1>PE </TH><TD class=alignRight headers="ar1 ar10 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar10 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar10 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar10 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar10 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar10 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar10 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar10 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar10 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar10 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar10 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar10 ac9 ac16">0 </TD></TR><TR><TH id=ar11 class=bg-colour-blue headers=ar1>NL </TH><TD class=alignRight headers="ar1 ar11 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar11 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar11 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar11 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar11 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar11 ac1 ac8">1 </TD><TD class=alignRight headers="ar1 ar11 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar11 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar11 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar11 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar11 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar11 ac9 ac16">1 </TD></TR><TR><TH id=ar12 class=bg-colour-blue headers=ar1>Canada </TH><TD class=alignRight headers="ar1 ar12 ac1 ac2 ac3">4 </TD><TD class=alignRight headers="ar1 ar12 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar12 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar12 ac1 ac2 ac6">1 </TD><TD class=alignRight headers="ar1 ar12 ac1 ac2 ac7">3 </TD><TD class=alignRight headers="ar1 ar12 ac1 ac8">2 </TD><TD class=alignRight headers="ar1 ar12 ac9 ac10 ac11">4 </TD><TD class=alignRight headers="ar1 ar12 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar12 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar12 ac9 ac10 ac14">1 </TD><TD class=alignRight headers="ar1 ar12 ac9 ac10 ac15">3 </TD><TD class=alignRight headers="ar1 ar12 ac9 ac16">2 </TD></TR></TBODY></TABLE><TABLE class=widthFull border=1 cellSpacing=0 cellPadding=2><CAPTION>Weekly & Cumulative numbers of positive influenza specimens by age groups
reported through case-based laboratory reporting, Canada, 2011-2012*
</CAPTION><THEAD><TR class=bg-colour-yellow><TH id=br1 rowSpan=3>Age groups </TH><TH id=bc1 colSpan=5>Weekly
(August 28 to September 10, 2011)
</TH><TH id=bc8 colSpan=5>Cumulative
(Aug. 29, 2010 to September 10, 2011)
</TH></TR><TR class=bg-colour-yellow><TH id=bc2 colSpan=4 headers=bc1>Influenza A </TH><TH id=bc7 headers=bc1>B </TH><TH id=bc9 colSpan=4 headers=bc8>Influenza A </TH><TH id=bc14 headers=bc8>B </TH></TR><TR class=bg-colour-yellow><TH id=bc3 headers="bc1 bc2">A Total </TH><TH id=bc4 headers="bc1 bc2">Pandemic H1N1 </TH><TH id=bc5 headers="bc1 bc2">A/H3N2 </TH><TH id=bc6 headers="bc1 bc2">A unsubtyped </TH><TH headers="bc1 bc7">Total </TH><TH id=bc10 headers="bc8 bc9">A Total </TH><TH id=bc11 headers="bc8 bc9">Pandemic H1N1 </TH><TH id=bc12 headers="bc8 bc9">A/H3N2 </TH><TH id=bc13 headers="bc8 bc9">A unsubtyped </TH><TH headers="bc8 bc14">Total </TH></TR></THEAD><TFOOT><TR><TD id=br9 class=fontSize85 colSpan=11 headers=br1>* Please note that this table reflects the number of specimens for which demographic information was reported. These represent a subset of all positive influenza cases reported. Delays in the reporting of data may cause data to change retrospectively.
</TD></TR></TFOOT><TBODY><TR><TH id=br2 headers=br1>< 5</TH><TD class=alignRight headers="br1 br2 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br2 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br2 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br2 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br2 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br2 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br2 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br2 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br2 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br2 bc8 bc14">0 </TD></TR><TR><TH id=br3 headers=br1>5-19</TH><TD class=alignRight headers="br1 br3 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br3 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br3 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br3 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br3 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br3 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br3 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br3 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br3 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br3 bc8 bc14">0 </TD></TR><TR><TH id=br4 headers=br1>20-44</TH><TD class=alignRight headers="br1 br4 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br4 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br4 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br4 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br4 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br4 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br4 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br4 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br4 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br4 bc8 bc14">0 </TD></TR><TR><TH id=br5 headers=br1>45-64</TH><TD class=alignRight headers="br1 br5 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br5 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br5 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br5 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br5 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br5 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br5 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br5 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br5 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br5 bc8 bc14">0 </TD></TR><TR><TH id=br6 headers=br1>65+</TH><TD class=alignRight headers="br1 br6 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br6 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br6 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br6 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br6 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br6 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br6 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br6 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br6 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br6 bc8 bc14">0 </TD></TR><TR><TH id=br7 headers=br1>Unknown</TH><TD class=alignRight headers="br1 br7 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br7 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br7 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br7 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br7 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br7 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br7 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br7 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br7 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br7 bc8 bc14">0 </TD></TR><TR><TH id=br8 headers=br1>Total</TH><TD class=alignRight headers="br1 br8 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br8 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br8 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br8 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br8 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br8 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br8 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br8 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br8 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br8 bc8 bc14">0 </TD></TR></TBODY></TABLE>
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Influenza tests reported and percentage of tests positive, Canada, by report week, 2011-2012
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Percent positive influenza tests, compared to other respiratory viruses, Canada, by reporting week, 2011-2012
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Antigenic Characterization and Antiviral Resistance
In weeks 35 and 36, the National Microbiology Laboratory (NML) has not reported any antigenic characterization or antiviral resistance data.
Severe Illness Surveillance
In weeks 35 and 36, no paediatric (>16 years of age) hospitalizations with laboratory-confirmed influenza were reported through the Immunization Monitoring Program Active (IMPACT) network.
...
Overall Influenza Summary
- Week 35 marks the beginning of the influenza surveillance season for 2011-12; influenza activity continues at low inter-seasonal levels. In weeks 35 and 36, only 6 laboratory detections of influenza were reported; two regions in Quebec and one region in Alberta reported sporadic influenza activity; and the ILI consultation rate remained low.
- Other respiratory viruses continue to circulate at low levels.
Influenza Activity and Outbreaks
In week 35, two regions in Quebec reported sporadic influenza activity. In week 36, one region in Alberta reported sporadic activity. Saskatchewan and Prince Edward Island have not yet started reporting for the 2011-2012 season (see Activity level Map). No new outbreaks of influenza or ILI were reported in weeks 35 or 36.
Map of overall Influenza activity level by province and territory, Canada, Week 36
No Data
No Activity
Sporadic Activity
Localized Activity
Widespread Activity
Note: Influenza activity levels, as represented on this map, are assigned and reported by Provincial and Territorial Ministries of Health, based on laboratory confirmations, sentinel ILI rates (see graphs and tables) and reported outbreaks. Please refer to detailed definitions on the last page. For areas where no data is reported, late reports from these provinces and territories will appear on the FluWatch website.
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Number of influenza surveillance regions<SUP title="sub-regions within the province or territory as defined by the provincial/territorial epidemiologist. Graph may change as late returns come in">?</SUP> reporting widespread or localized influenza activity, Canada, by report week, 2011-2012 (N=56)
? sub-regions within the province or territory as defined by the provincial/territorial epidemiologist. Graph may change as late returns come in.
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Overall Number of Influenza Outbreaks, Canada, by Report Week, 2011-2012
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ILI consultation rate
The national ILI consultation rate was 6.1 and 3.8 consultations per 1,000 patient visits in weeks 35 and 36, respectively, which is within the expected levels for this time of year (see ILI graph). In both weeks, the highest consultation rate was observed among children under 5 years of age.
Influenza-like illness (ILI) consultation rates, Canada, by report week, 2011-2012 compared to 1996/97 through to 2008/09 seasons
Note: No data available for mean rate in previous years for weeks 19 to 39 (1996-1997 through 2002-2003 seasons). Delays in the reporting of data may cause data to change retrospectively.
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Laboratory Surveillance Summary
Only 6 detections of influenza were reported across Canada in weeks 35 and 36, one pH1N1 2009 (AB), 3 unsubtyped influenza A (QC), and 2 influenza B (QC). The proportion of tests positive for influenza was 0.5% in week 35 and 0.2% in week 36 (see Influenza tests graph). No detailed case-based laboratory reporting has been received for the 2011-12 season (week 35 & 36) (see Tests detailed table). During week 36, detections of other respiratory viruses continued at low levels: 0.5% of tests for respiratory syncytial virus (RSV) were positive, 3.1% for parainfluenza, and 1.9% for adenovirus (see Respiratory Viruses graph). Rhinovirus detections continued to decline from the peak in mid-July, and in week 36 20.0% of tests were positive. For more details of weekly respiratory virus detections in Canada, see http://www.phac-aspc.gc.ca/bid-bmi/dsd-dsm/rvdi-divr/index-eng.php.
<TABLE class=widthFull border=1 cellSpacing=0 cellPadding=2><CAPTION>Weekly & Cumulative numbers of positive influenza specimens
by Provincial Laboratories, Canada, 2011-2012
</CAPTION><THEAD><TR class=bg-colour-blue><TH id=ar1 rowSpan=3>Reporting provinces </TH><TH id=ac1 colSpan=6>Weekly
(August 28 to September 10, 2011)
</TH><TH id=ac9 colSpan=6>Cumulative
(August 29, 2010 to September 10, 2011)
</TH></TR><TR class=bg-colour-blue><TH id=ac2 colSpan=5 headers=ac1>Influenza A </TH><TH id=ac8 headers=ac1>B </TH><TH id=ac10 colSpan=5 headers=ac9>Influenza A </TH><TH id=ac16 headers=ac9>B </TH></TR><TR class=bg-colour-blue><TH id=ac3 headers="ac1 ac2">A Total </TH><TH id=ac4 headers="ac1 ac2">A(H1) </TH><TH id=ac5 headers="ac1 ac2">A(H3) </TH><TH id=ac6 headers="ac1 ac2">Pand H1N1 </TH><TH id=ac7 class=noWrap headers="ac1 ac2">A (Un S)* </TH><TH headers="ac1 ac8">Total </TH><TH id=ac11 headers="ac9 ac10">A Total </TH><TH id=ac12 headers="ac9 ac10">A(H1) </TH><TH id=ac13 headers="ac9 ac10">A(H3) </TH><TH id=ac14 headers="ac9 ac10">Pand H1N1 </TH><TH id=ac15 class=noWrap headers="ac9 ac10">A (Un S)* </TH><TH headers="ac9 ac16">Total </TH></TR></THEAD><TFOOT><TR><TD id=ar13 class=fontSize85 colSpan=13 headers=ar1>* Unsubtyped: The specimen was typed as influenza A, but no test for subtyping was performed. Specimens from NT, YT, and NU are sent to reference laboratories in other provinces.
Note: Cumulative data includes updates to previous weeks; due to reporting delays, the sum of weekly report totals do not add up to cumulative totals.
</TD></TR></TFOOT><TBODY><TR><TH id=ar2 class=bg-colour-blue headers=ar1>BC </TH><TD class=alignRight headers="ar1 ar2 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar2 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar2 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar2 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar2 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar2 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar2 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar2 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar2 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar2 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar2 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar2 ac9 ac16">0 </TD></TR><TR><TH id=ar3 class=bg-colour-blue headers=ar1>AB </TH><TD class=alignRight headers="ar1 ar3 ac1 ac2 ac3">1 </TD><TD class=alignRight headers="ar1 ar3 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar3 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar3 ac1 ac2 ac6">1 </TD><TD class=alignRight headers="ar1 ar3 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar3 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar3 ac9 ac10 ac11">1 </TD><TD class=alignRight headers="ar1 ar3 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar3 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar3 ac9 ac10 ac14">1 </TD><TD class=alignRight headers="ar1 ar3 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar3 ac9 ac16">0 </TD></TR><TR><TH id=ar4 class=bg-colour-blue headers=ar1>SK </TH><TD class=alignRight headers="ar1 ar4 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar4 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar4 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar4 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar4 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar4 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar4 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar4 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar4 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar4 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar4 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar4 ac9 ac16">0 </TD></TR><TR><TH id=ar5 class=bg-colour-blue headers=ar1>MB </TH><TD class=alignRight headers="ar1 ar5 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar5 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar5 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar5 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar5 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar5 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar5 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar5 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar5 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar5 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar5 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar5 ac9 ac16">0 </TD></TR><TR><TH id=ar6 class=bg-colour-blue headers=ar1>ON </TH><TD class=alignRight headers="ar1 ar6 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar6 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar6 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar6 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar6 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar6 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar6 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar6 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar6 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar6 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar6 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar6 ac9 ac16">0 </TD></TR><TR><TH id=ar7 class=bg-colour-blue headers=ar1>QC </TH><TD class=alignRight headers="ar1 ar7 ac1 ac2 ac3">3 </TD><TD class=alignRight headers="ar1 ar7 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar7 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar7 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar7 ac1 ac2 ac7">3 </TD><TD class=alignRight headers="ar1 ar7 ac1 ac8">1 </TD><TD class=alignRight headers="ar1 ar7 ac9 ac10 ac11">3 </TD><TD class=alignRight headers="ar1 ar7 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar7 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar7 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar7 ac9 ac10 ac15">3 </TD><TD class=alignRight headers="ar1 ar7 ac9 ac16">1 </TD></TR><TR><TH id=ar8 class=bg-colour-blue headers=ar1>NB </TH><TD class=alignRight headers="ar1 ar8 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar8 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar8 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar8 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar8 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar8 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar8 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar8 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar8 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar8 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar8 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar8 ac9 ac16">0 </TD></TR><TR><TH id=ar9 class=bg-colour-blue headers=ar1>NS </TH><TD class=alignRight headers="ar1 ar9 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar9 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar9 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar9 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar9 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar9 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar9 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar9 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar9 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar9 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar9 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar9 ac9 ac16">0 </TD></TR><TR><TH id=ar10 class=bg-colour-blue headers=ar1>PE </TH><TD class=alignRight headers="ar1 ar10 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar10 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar10 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar10 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar10 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar10 ac1 ac8">0 </TD><TD class=alignRight headers="ar1 ar10 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar10 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar10 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar10 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar10 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar10 ac9 ac16">0 </TD></TR><TR><TH id=ar11 class=bg-colour-blue headers=ar1>NL </TH><TD class=alignRight headers="ar1 ar11 ac1 ac2 ac3">0 </TD><TD class=alignRight headers="ar1 ar11 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar11 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar11 ac1 ac2 ac6">0 </TD><TD class=alignRight headers="ar1 ar11 ac1 ac2 ac7">0 </TD><TD class=alignRight headers="ar1 ar11 ac1 ac8">1 </TD><TD class=alignRight headers="ar1 ar11 ac9 ac10 ac11">0 </TD><TD class=alignRight headers="ar1 ar11 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar11 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar11 ac9 ac10 ac14">0 </TD><TD class=alignRight headers="ar1 ar11 ac9 ac10 ac15">0 </TD><TD class=alignRight headers="ar1 ar11 ac9 ac16">1 </TD></TR><TR><TH id=ar12 class=bg-colour-blue headers=ar1>Canada </TH><TD class=alignRight headers="ar1 ar12 ac1 ac2 ac3">4 </TD><TD class=alignRight headers="ar1 ar12 ac1 ac2 ac4">0 </TD><TD class=alignRight headers="ar1 ar12 ac1 ac2 ac5">0 </TD><TD class=alignRight headers="ar1 ar12 ac1 ac2 ac6">1 </TD><TD class=alignRight headers="ar1 ar12 ac1 ac2 ac7">3 </TD><TD class=alignRight headers="ar1 ar12 ac1 ac8">2 </TD><TD class=alignRight headers="ar1 ar12 ac9 ac10 ac11">4 </TD><TD class=alignRight headers="ar1 ar12 ac9 ac10 ac12">0 </TD><TD class=alignRight headers="ar1 ar12 ac9 ac10 ac13">0 </TD><TD class=alignRight headers="ar1 ar12 ac9 ac10 ac14">1 </TD><TD class=alignRight headers="ar1 ar12 ac9 ac10 ac15">3 </TD><TD class=alignRight headers="ar1 ar12 ac9 ac16">2 </TD></TR></TBODY></TABLE><TABLE class=widthFull border=1 cellSpacing=0 cellPadding=2><CAPTION>Weekly & Cumulative numbers of positive influenza specimens by age groups
reported through case-based laboratory reporting, Canada, 2011-2012*
</CAPTION><THEAD><TR class=bg-colour-yellow><TH id=br1 rowSpan=3>Age groups </TH><TH id=bc1 colSpan=5>Weekly
(August 28 to September 10, 2011)
</TH><TH id=bc8 colSpan=5>Cumulative
(Aug. 29, 2010 to September 10, 2011)
</TH></TR><TR class=bg-colour-yellow><TH id=bc2 colSpan=4 headers=bc1>Influenza A </TH><TH id=bc7 headers=bc1>B </TH><TH id=bc9 colSpan=4 headers=bc8>Influenza A </TH><TH id=bc14 headers=bc8>B </TH></TR><TR class=bg-colour-yellow><TH id=bc3 headers="bc1 bc2">A Total </TH><TH id=bc4 headers="bc1 bc2">Pandemic H1N1 </TH><TH id=bc5 headers="bc1 bc2">A/H3N2 </TH><TH id=bc6 headers="bc1 bc2">A unsubtyped </TH><TH headers="bc1 bc7">Total </TH><TH id=bc10 headers="bc8 bc9">A Total </TH><TH id=bc11 headers="bc8 bc9">Pandemic H1N1 </TH><TH id=bc12 headers="bc8 bc9">A/H3N2 </TH><TH id=bc13 headers="bc8 bc9">A unsubtyped </TH><TH headers="bc8 bc14">Total </TH></TR></THEAD><TFOOT><TR><TD id=br9 class=fontSize85 colSpan=11 headers=br1>* Please note that this table reflects the number of specimens for which demographic information was reported. These represent a subset of all positive influenza cases reported. Delays in the reporting of data may cause data to change retrospectively.
</TD></TR></TFOOT><TBODY><TR><TH id=br2 headers=br1>< 5</TH><TD class=alignRight headers="br1 br2 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br2 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br2 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br2 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br2 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br2 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br2 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br2 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br2 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br2 bc8 bc14">0 </TD></TR><TR><TH id=br3 headers=br1>5-19</TH><TD class=alignRight headers="br1 br3 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br3 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br3 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br3 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br3 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br3 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br3 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br3 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br3 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br3 bc8 bc14">0 </TD></TR><TR><TH id=br4 headers=br1>20-44</TH><TD class=alignRight headers="br1 br4 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br4 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br4 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br4 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br4 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br4 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br4 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br4 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br4 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br4 bc8 bc14">0 </TD></TR><TR><TH id=br5 headers=br1>45-64</TH><TD class=alignRight headers="br1 br5 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br5 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br5 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br5 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br5 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br5 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br5 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br5 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br5 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br5 bc8 bc14">0 </TD></TR><TR><TH id=br6 headers=br1>65+</TH><TD class=alignRight headers="br1 br6 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br6 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br6 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br6 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br6 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br6 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br6 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br6 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br6 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br6 bc8 bc14">0 </TD></TR><TR><TH id=br7 headers=br1>Unknown</TH><TD class=alignRight headers="br1 br7 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br7 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br7 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br7 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br7 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br7 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br7 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br7 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br7 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br7 bc8 bc14">0 </TD></TR><TR><TH id=br8 headers=br1>Total</TH><TD class=alignRight headers="br1 br8 bc1 bc2 bc3">0 </TD><TD class=alignRight headers="br1 br8 bc1 bc2 bc4">0 </TD><TD class=alignRight headers="br1 br8 bc1 bc2 bc5">0 </TD><TD class=alignRight headers="br1 br8 bc1 bc2 bc6">0 </TD><TD class=alignRight headers="br1 br8 bc1 bc7">0 </TD><TD class=alignRight headers="br1 br8 bc8 bc9 bc10">0 </TD><TD class=alignRight headers="br1 br8 bc8 bc9 bc11">0 </TD><TD class=alignRight headers="br1 br8 bc8 bc9 bc12">0 </TD><TD class=alignRight headers="br1 br8 bc8 bc9 bc13">0 </TD><TD class=alignRight headers="br1 br8 bc8 bc14">0 </TD></TR></TBODY></TABLE>
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Influenza tests reported and percentage of tests positive, Canada, by report week, 2011-2012
Text Equivalent
Percent positive influenza tests, compared to other respiratory viruses, Canada, by reporting week, 2011-2012
Text Equivalent
Antigenic Characterization and Antiviral Resistance
In weeks 35 and 36, the National Microbiology Laboratory (NML) has not reported any antigenic characterization or antiviral resistance data.
Severe Illness Surveillance
In weeks 35 and 36, no paediatric (>16 years of age) hospitalizations with laboratory-confirmed influenza were reported through the Immunization Monitoring Program Active (IMPACT) network.
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