Weekly influenza reports

Fluwatch Summary

March 12 to March 18, 2017 (Week 11)

  • Overall, the slow decline in influenza activity in Canada has continued in week 11.However, many parts of Canada, particulary the Eastern and Atlantic regions are still reporting elevated activity in week 11.
  • In week 11, the number of laboratory detections, outbreaks and the number of geographic regions with influenza activity, decreased from the previous week.
  • Although adult sentinel hospitalizations decreased from the previous week, the number of hospitalizations and deaths reported by participating provinces and territories increased.
  • Influenza B detections and outbreaks in Canada are slowly increasing.
  • Although declining for most indicators, influenza A(H3N2) continues to be the most common subtype of influenza affecting Canadians.
  • The majority of laboratory detections, hospitalizations and deaths have been among adults aged 65+ years.
  • For more information on the flu, see our Flu(influenza) web page.

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