The first bird-flu fatality in the United States sparks investor interest in several vaccine makers that are developing ...

For most people RSV is like a cold, but for infants and older people it can lead to serious infections. Here's what to know.

Federal data show cases of pertussis – commonly known as whooping cough – in the state of Washington jumped more than 2,200%.

Norovirus cases are surging in the US, the CDC says. Here are the symptoms to look for, plus how long you're contagious for, ...

With many viruses now on the rise, it can be hard to know which illness you have and how to handle it. A doctor helps you to ...

Hand sanitizer isn't as effective as handwashing at preventing the spread of norovirus, doctors and the CDC warn.

The CDC’s actions come in response to China’s government-run media confirming that positivity rates of HMPV hare rising in children under the age of 14, despite respiratory illnesses being ...

The human metapneumovirus is reportedly surging in China, but should Americans be concerned? Here's what to know about HMPV ...

Valley fever is an infectious disease caused by the Coccidioides fungus that grows in the soil and dirt in some areas of ...

The free test is available to anyone without insurance who is showing symptoms or who has a known exposure to the viruses.