Nationally, the activity level reported this week decreased compared to the previous week. All influenza indicators declined during week 46.
A possible epidemic peak has been reached by all provinces and territories.
The Pandemic (H1N1) 2009 strain accounted for nearly 100% of the positive influenza A subtyped specimens this week.
The intensity of Pandemic (H1N1) 2009 in the population was still high with 1,554 hospitalizations, 243 ICU admissions and 61 deaths reported this week. Hospitalized cases occurred in all provinces and territories (P/T) that reported this week while the deaths were from all P/T except PE, NL and NU. From August 30 to November 21, 2009, a total of 5,507 hospitalized cases including 819 (14.9%) cases admitted to an intensive care unit (ICU) as well as 203 deaths had been reported.