The latest data on respiratory illness in the United States shows that shoppers and merry-makers are spreading more than just holiday cheer: They’re also passing around germs. In many cases, it’s a ...

A person living in the suburbs of New York City has tested positive for chikungunya, a mosquito-borne virus that is more often seen in South America and hasn't been transmitted on the U.S. mainland in ...

COVID-19 cases are on the rise in 17 states, according to new data released by the Centers for Disease Control and Prevention (CDC).

DENVER — West Nile virus cases in Colorado are climbing higher than usual. Data from the Centers for Disease Control and Prevention (CDC) show around the country, cases are 40% higher than normal this ...

Every winter, respiratory viruses, especially influenza, SARS-CoV-2 and RSV, put huge pressure on healthcare systems throughout Europe. In a typical season, flu causes up to 50 million symptomatic ...

Norovirus cases are rising earlier this winter, likely due to a new strain. Learn the symptoms, how it spreads, and proven ...