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.

Schools around the country are closing due to surges of flu and other illnesses which are sickening students and staff. Here's what parents need to know.

What’s the difference between Flu A vs. flu B? Doctors explain the two common strains of the flu, including symptoms, treatment, prevention, and vaccines.

For the week ending Jan. 25, DHS data shows that respiratory illness activity levels are "very high" in Wisconsin, but vary by illness.

In addition to the cold and flu, many are falling ill to RSV, COVID and norovirus this winter. How to know what you have.

In recent months, Americans looking for eggs have faced empty shelves in their grocery stores. The escalating threat of avian flu has forced farmers ...

With the devastating 1918 pandemic in mind, US health officials saw an outbreak in Asia and swung into action. What happened ...

Experts investigating potential new Avian influenza outbreak in Blackpool, coming on the back of recent other outbreaks ...

A second type of the virus, D1.1, has been detected in dairy cattle in Nevada, US. A second type of bird flu H5N1 detected in ...

Researchers have a new hope for preventing severe illness from the bird flu after finding a groundbreaking antibody treatment ...

Barbie Hsu's death from flu complications has led to a surge in flu vaccinations in Taiwan. With government-funded vaccine ...