Influenza

• 1 in 3 U.S. flu tests positive over holidays as Canada set to reveal data

  The U.S. Centers for Disease Control and Prevention said around one in three (32.9 per cent) of influenza tests came back positive for the week ending Dec. 27, 2025.

  Canada

  Jan 6
  
• H3N2 flu is surging — and just had the ‘perfect environment’ for a spike

  In the week ending Dec. 20, one in four (25.6 per cent) of every influenza test conducted in the U.S. came back positive, the U.S. CDC said.

  Health

  Jan 2
  
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• As H3N2 sweeps across Canada, what to know about flu’s heart attack risk

  An influenza infection brings with it an increased risk of heart attack and stroke, data published in the Journal of the American Heart Association says.  

  Health

  Dec 23, 2025
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• As H3N2 spreads, can you still get your flu shot before holiday gatherings?

  The rate of flu hospitalization in Canada has nearly doubled compared to the previous week of available data, with infections now up almost 30 per cent, Health Canada data shows.

  Health

  Dec 22, 2025
• Flu hospitalizations rise sharply as H3N2 spreads across Canada

  For the week ending Dec. 13, Canada saw 11,646 new cases of the flu being detected, which means 27.7 per cent of all the tests conducted in the country came out positive.

  Health

  Dec 19, 2025
• Ontario hospitals warn of massive spike in ICU admissions for influenza

  The Ontario Hospital Association issued a statement Tuesday, saying there was an alarming increase in cases, which have now hit a three-year high.

  Canada

  Dec 16, 2025
• Ontario influenza ICU admissions up 127% in past week, hospital association warns

  Ontario hospitals saw a 127 per cent spike in intensive care unit admissions stemming from influenza in just a week, the Ontario Hospital Association says.

  Health

  Dec 16, 2025
• 3 kids die from influenza A-related complications since start of December in Ontario

  Three children in Ontario have died from influenza A-related complications since the start of December, health officials said Monday.

  Health

  Dec 15, 2025
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• Alberta ERs seeing flood of influenza patients as cases jump 70% in a week

  In the first week of December, there was a 70 per cent jump in the number of lab-confirmed influenza cases in Alberta, along with 300 more hospitalizations and six more deaths.

  Health

  Dec 11, 2025
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• Calgary is one of the country’s hot spots for influenza: Health Canada

  The city of Calgary and surrounding area have become one of several hot spots for flu outbreaks across the country in recent weeks according to Health Canada.

  Health

  Nov 25, 2025