The Public Health Agency of Canada is encouraging people to prepare for a fairly intense flu season this winter. In its most recent influenza surveillance report, the Agency notes that it has observed that, at the national level, the influenza season started early this year and that influenza activity is gradually increasing.
The number and percentage of positive lab tests is higher for this time of the year compared to previous seasons.
In addition, the number of adult influenza-related hospitalizations, primary care clinic visits for influenza-like illness, and the number of regions reporting sporadic activity are higher than the rates expected for this period. ‘year.
The majority of influenza detections continue to be Type A (H3N2), although a high number of influenza B detections has also been reported by the Agency.
On the other hand, there is some information to suggest that the influenza vaccine distributed this fall may be of limited effectiveness.