Weekly influenza reports
January 7, 2018 to January 13, 2018 (week 2)
- Overall, influenza activity in Canada remains high.
- Most indicators have slowed their increase, remained similar, or declined compared to the previous week, suggesting that we may be nearing the peak of the season at the national level.
- Most indicators remain in the higher range of expected levels for this time of year.
- The majority of influenza detections continue to be A(H3N2), although 37% of detections were influenza B in week 02.
- Influenza B began circulating much earlier than usual this season. The number of influenza B detections remains substantially greater this season compared to previous years.
- To date this season, the majority of lab confirmations, hospitalizations and deaths have been among adults 65 years of age and older.
- For more information on the flu, see our Flu(influenza) web page.
The FluWatch interactive maps are not yet available for the 2017-18 season. We apologize for any inconvenience.
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