Influenza is a highly contagious respiratory illness that can cause serious health problems in children under 8 years old.

Getting an updated flu vaccine and taking steps to prevent the spread of germs can help everyone stay safe during flu season.

Amid a "concerning" new mutation in bird flu that may indicate the virus could begin to better infect humans, what are the symptoms to watch for and how worried should you be?

More Americans are getting infected with seasonal influenza and seeking care, a regular occurrence this time of year.

Each week some revelation about bird flu seems to flutter through the news cycle. Here's what the latest research is saying ...

The first severe case of H5N1 bird flu was confirmed in Louisiana. Here is a map of other states that have been affected.

There’s been a spike in the number of children with flu – meaning there’s soon likely to be a corresponding rise in the number of adults with the virus. The NHS is “bracing” itself for a ...