Flea-borne typhus infections occur year-round in areas of Los Angeles and Orange counties, but cases tend to peak during late ...

The CDC has issued a Level 2 travel alert due to an outbreak of chikungunya in China, advising travelers to take enhanced ...

A one-month-old baby on Martha's Vineyard is suspected of contracting the rare and often deadly Powassan virus after a tick bite, raising health concerns.

The detection suggests someone in North Idaho had measles, a highly contagious virus. Idaho’s last measles outbreak was in ...