Flu A and Flu B are distinct viruses, each with its own challenges. Understanding the difference helps you protect your health against the flu battle.

While we often refer to it as "the flu," the influenza virus has several strains, with flu A and flu B considered the most common and the most severe.

For a second time this season, at least 41 states are reporting high or very high levels of the flu. Here's how to stay safe.

Flu A and flu B are two different strains of influenza, explains Thomas Russo, M.D., professor and chief of infectious ...

A nasal vaccine for COVID-19 – based on technology developed at Washington University in St. Louis – is poised to enter a phase 1 clinical trial in the U.S. after an investigational new drug ...

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry ...

Bird flu has decimated poultry flocks and infected cattle herds. The risk to humans is currently low, but that could easily ...

That omelet is costing more again thanks to highly pathogenic avian influenza, but Jada Thompson says the egg price ...

The technology could be adapted for other common respiratory viruses such as seasonal influenza, avian flu and respiratory ... and subsequently infected did not pass the virus on to others, breaking ...

Experts stressed that the new strain did not itself appear to be an immediate human threat. But the rise of a new strain is troubling and points to the risk of a viral phenomenon known as ...

RSV is usually contagious for three to eight days. A patient also may be contagious a day or two before experiencing symptoms ...