The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

A study uncovers the viral gene that lets bird flu beat fever, reshaping surveillance strategies as H5N1 continues to spread.

Having the flu is a lousy experience, regardless of the type you have. While news of a rough flu season ahead (spurred by subclade K) continues to make headlines, there are two main types of flu, A ...

In A Nutshell In mouse experiments, raising body temperature by about 2°C turned severe flu infections into mild ones ...

Bird flu viruses are a particular threat to humans because they can replicate at temperatures higher than a typical fever, ...

A new strain of the flu is coming around, but there are ways to be prepared. Doctors say flu season typically runs from December to around March or April. However, it’s gotten off to an early start ...

The U.S. flu season is starting slowly, and it’s not clear if it will be as bad as last winter’s. But some health experts are ...

The bird flu virus that has been spreading among wild birds, poultry and mammals could lead to a pandemic worse than COVID-19 if it mutates to transmit between humans, the head of France's Institut ...

Last winter, for the first time since Covid-19 entered our world, influenza reclaimed its spot as the worst actor among the cast of viruses that sicken people during the cold and flu season. The ...

The United States may be heading into its second severe flu season in a row, driven by a mutated strain called subclade K ...

The United States may be headed for a rough flu season, with a virus that causes more severe symptoms than the one last year ...

This year's version of H3N2 has experts on alert. It's a mutated version, subclade K, that may weaken the vaccine's ...