A student in Kollam, Kerala tests positive for swine flu, one of the most contagious diseases in the world. As cases rise in ...

Massachusetts' first animal case of West Nile virus in 2025 has been discovered in Lunenburg, the state Department of Public ...

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

H5N1 avian influenza has long been a concerning virus. Since its discovery in 1996 in waterfowl, bird flu has occasionally ...

Moderna is preparing to test Health Secretary Robert F. Kennedy Jr.'s tougher vaccine policies with a combination flu-COVID shot. The question is whether it gets approved for both viruses. Why it ...

Hundreds of samples of raw milk in Minnesota have been tested for bird flu as the state ramps up its effort to slow the spread of the virus.

Dr. John Zweifler, with the Department of Public Health in Fresno County, says they're seeing positive flu tests at over 20 percent in the county and statewide.

Kimberly Hernandez, division director of health services for Kern County Public Health, says they’ve reported a 20% increase in positive flu tests in their respiratory illness dashboard.

There are some new tools to help this respiratory virus season: over-the-counter tests that can identify whether an illness is COVID-19 or influenza.

If you have symptoms but test negative for flu or COVID-19, you could have a different infection, have tested too early, or could be getting a false positive result.