A new study found that people who have had COVID-19 are more likely to develop chronic fatigue syndrome. A researcher and ...

Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms. More than 145 million chickens ...

Over 160,000 people this season have landed in the hospital from flu complications, CDC estimates. More than 6,600 have died.

New CDC data indicates a rise in cases of norovirus, often colloquially referred to as "stomach flu." Test positivity has ...

Health bodies have highlighted six key symptoms of a lesser-known illness that has no vaccine amid a spike in cases in the UK ...

Human Metapneumovirus (HMPV) is a common respiratory disease among children and the elderly. Here's what we know about the ...