Helicopter surveillance finds dead and dying greater crested terns off South Australian coast as H5 virus spreads ...

There is no cure or vaccine for the rare virus spread by lone star ticks.

A mass mortality event, potentially triggered by bird flu, mirrors what's happened as the deadly disease spread overseas, ...

Mosquito activity is ramping up in New Jersey, and state officials are telling residents to take precautions after West Nile virus was detected in mosquito samples from 12 counties this year. With ...

While rare, one expert said Bourbon virus is probably underdiagnosed and may be expanding in the U.S. Here's what to know ...

The Bourbon virus has previously been found in New York populations of lone star ticks, and it’s been suspected in at least ...

Finland has detected African swine fever for the first ​time after laboratory tests confirmed ‌the virus in a wild boar in eastern Finland, the Finnish Food ​Authority said in a statement ​issued on ...

Scientists discovered that vesper bats have a unique immune system that may help them respond to many different viruses.

New research says ancient mummy DNA provides the firmest evidence yet that European colonization brought smallpox to the ...

Scientists have found smallpox viruses in the remains of people in Chile from around 500 years ago, revealing how the virus ...

Measles cases are surging in the U.S. The virus can cause complications, including "immune amnesia." Here's what that means.

Measles cases are surging in the U.S. Numbers have already surpassed last year’s cases—and we still have several months of 2026 left. Infectious disease doctors are worried about the fallout. Public ...