California officials warn of an increase in flu-related hospitalizations and confirm a second severe-flu-related death.

Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in New Jersey, ...

Adenovirus infections are usually mild but can cause a range of illnesses. Here's how it spreads and how to reduce your ...

A particularly infectious subvariant of influenza is keeping emergency room numbers high and causing especially severe ...

After child flu deaths broke a record last winter, the CDC dropped its universal flu shot recommendation for kids. Here's ...

A new flu variant fueling a fast-paced rise in cases across the state has brought with it some symptoms unlike those many ...

Pneumonia in children has a high mortality rate. Here are the seven signs that parents need to watch out for and learn when ...

After the Ark Encounter and a Northern Kentucky hotel had a visitor with measles before Jan. 1, people are urged to watch for ...

Researchers are not just worried about the virus popping up on American farms. Other types are causing trouble around the ...

Here's what you need to know about this season's H3N2 flu symptoms, treatment, when to go to the hospital and whether to get ...

Like the flu and COVID, the symptoms of a cold are often coughing, a sore throat, tiredness and sometimes a fever. However, ...

"It is a different strain—just more severity of symptoms," UNM Children's Hospital Chief Medical Officer Dr. Duran said.