The U.S. is seeing a "quad-demic" as cases of COVID-19, flu, RSV and norovirus spread at the same time. Experts said this is ...

Bird flu is continuing to spread throughout the country, impacting a number of animals, and even humans. Recent data from the ...

A child ill with fever and conjunctivitis in San Francisco tested positive for bird flu but had no known source of ...

The flu vaccine is generally about 40% effective at completely preventing influenza, according to Blumberg. The flu vaccine ...

Human metapneumovirus (hMPV) cases are on the rise, with India reporting 17 cases in recent days. Health officials have urged ...

The U.S. has developed a bird flu vaccine that can be prepared when needed. It’s not currently available because health ...

So how can you be sure you have the flu? As with COVID, testing is the only way to confirm the presence of the influenza ...

A spike in flu cases in Nashville and the state propelled Tennessee into the Top 5 nationally for most confirmed cases.

An outbreak of bird flu, or H51N avian influenza, popped up in poultry and dairy cows. The disease is common in wild birds ...

Some of the highest levels of influenza are now in Western states, several of which have already topped the peaks recorded during the worst of last winter's flu season. In Oregon, the CDC's data ...

Respiratory illnesses and infections are spiking nationally, according to date from the Centers for Disease Control and ...

Investigators also have been closely watching another kind of influenza virus, the Type A H5N1 version of bird flu. The CDC says 66 human U.S. cases of that were reported last year, but none of ...