Flu season might be winding down — but don’t stash the tissues just yet. A little-known respiratory virus with no vaccine or ...

As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well. It had one of its worst effectiveness rates in more than a decade.

CDC data suggest adult vaccination rates are up slightly this season, to 46.5%. An estimated 48% of U.S. kids were vaccinated ...

Respiratory illness thrives in the winter. This year, cases have been high and continue to be quite present, but Michigan appears to be past the season’s highest peak. The blanket term “respiratory ...

In recent weeks, seasonal influenza activity has been decreasing across the country, and the severity assessment has been downgraded from “elevated” to “moderate.” The CDC estimates that there have ...

WHO announces updated influenza vaccine strains for the 2026–27 northern hemisphere season, reflecting evolving flu virus ...

Viral mismatch between circulating strains and vaccine may have weighed down effectiveness ...

If it feels like everyone around you has come down with the flu, you're not imagining it. As of Jan. 9, the U.S. Centers for Disease Control and Prevention (CDC) estimates that at least 15 million ...

Flu has overtaken covid in infections and hospitalizations during the winter respiratory virus season, and their virulence is becoming similar.

Sanofi has discontinued development of its next-generation mRNA-based seasonal flu vaccine. According to its 2025 earnings documents, the drugmaker said it halted its phase 1 trial for an mRNA ...

The difference between seasonal flu and pandemic flu is whether or not people have had a chance to build immunity to the virus through previous exposure. People are exposed to influenza viruses ...

Influenza deaths have soared to new heights in Alberta this year, according to nearly two decades worth of data, prompting concern from health experts.