A. You might be suffering from influenza. Colds do not usually cause body aches. This year, the dominant influenza virus has ...

The latest data on respiratory illness in the United States shows that shoppers and merry-makers are spreading more than just holiday cheer: They’re also passing around germs. In many cases, it’s a ...

It may feel like you are surrounded by sniffles and coughs, but flu season activity is still low in many parts of the U.S.

Avian influenza viruses (AIVs) represent an evolving global threat to animal and human health, with outbreaks recurring across wild bird populations, ...

Finding that vampire bats along Peru’s coast carried H5N1 antibodies raises concerns that multiple bat species could become ...

Norovirus and flu have a few things in common in terms of how you get each.

But people with norovirus won’t get the respiratory symptoms that are characteristic of the flu, like the congestion and ...

A nasty, highly contagious virus is spreading across the country ahead of the holiday season — and it’s not the flu or Covid. Norovirus, also called the “winter vomiting disease,” has been rising ...

The subclade K flu strain is a variant of the H3N2 virus. A new influenza strain this flu season is raising concerns as Americans hit the roads and take to the skies ahead of the Thanksgiving holiday, ...

Influenza is picking up in the U.S., and public health experts are bracing for signs of another brutal season with the virus. Last year one of the worst waves of flu in recent decades took the U.S. by ...

In a Phase 3 trial of more than 18,000 volunteers across three countries, an mRNA influenza vaccine from Pfizer has outperformed standard seasonal flu shots by 34.5%. It's yet another sign that this ...