Weekly and annual respiratory virus reports
Access historical respiratory virus reports from the 2024–2025 surveillance season and onward. Canadian respiratory virus surveillance report archives Influenza Access past weekly influenza …
Flu, RSV, COVID-19, and More: Updates on the 2025 Respiratory Virus …
Feb 3, 2025 · As respiratory virus season continues, cases of norovirus, respiratory syncytial virus (RSV), influenza, and COVID-19 are rising across the country, resulting in hospitalizations, …
Norovirus 2025: Symptoms, Causes & How It Spreads | Quick Note
Feb 1, 2025 · Discover the latest updates on Norovirus 2025, including common symptoms, how it spreads, and prevention tips. Stay informed & protect.
Flu Spikes Across the U.S. as a Surprise New Virus Variant Drives …
Dec 22, 2025 · At least 14 states and Washington, DC, are seeing high and very high levels of flu, mainly caused by a surprise new influenza mutation called subclade K.
Flu symptoms? Data shows where in Canada influenza activity is …
Feb 22, 2025 · Newly published data shows cases of influenza in Canada are increasing, with the spread of the flu especially prevalent in certain parts of the country.
The winter ‘quademic’? You may be sick with one of these 4 viruses
Jan 27, 2025 · WATCH: With cold and flu season ramping up, doctors are warning about the potential ‘quad-demic’—a combination of influenza, RSV, COVID-19 and norovirus – Jan 17, …
Q&A: The norovirus is surging; here are tips to dodge the 'stomach flu' December 29 2025, by Jon Jeisel Credit: CC0 Public Domain
Respiratory Virus Activity Levels | Respiratory Illnesses | CDC
Respiratory Virus Activity Levels For Everyone Dec. 18, 2025 Federal Holiday Alert Due to the Christmas holiday, the weekly respiratory virus data and summaries will not be updated on …
New 'aggressive' flu strain emerging as health threat: Where it's ...
6 days ago · A highly contagious and aggressive flu strain is sweeping the nation this season.
Flu (seasonal influenza): Symptoms and treatment
Flu (influenza) symptoms for adults and children, when you can spread the flu, if you get sick, how it is diagnosed and treatment.