Disease that causes high fevers and severe joint pain spreads within the continental U.S.
Common ear infection drugs trigger bacteria to build defenses.
Deer hunting could have an unexpected benefit.
A portable malaria detector could provide test results in seconds.
CDC officials track how weather changes may increase the number of Lyme disease cases in the U.S.
What if illnesses could be detected even before symptoms?
An ancient disease finally tips its hand.
Researchers show that it’s not the cold air on its own that creates the spike in flu cases.
Warm winters usually make the next year's flu season worse than average.