Cases of COVID-19 are now likely growing in 25 states, according to estimates published by the Centers for Disease Control ...

CACHE COUNTY, Utah ( ABC4) — Mosquitoes infected with West Nile Virus have been found in Cache County.

Doctors and researchers said the moves will make it harder to detect potentially dangerous changes. If the virus continues to ...

The Epstein-Barr virus is one of the most common and persistent human viruses in the world, according to the CDC.

Oregon has no reports so far of people contracting the virus. But it's still wise to cover up and prevent bites, health officials say.

The U.S. Centers for Disease Control and Prevention says it has ended its emergency response to H5N1 bird flu, citing a drop ...

Allegheny County Health Department officials announced mosquitoes collected in certain parts of the county earlier this month ...

Adults as young as 50 may now qualify for an respiratory synctial virus vaccine if they have certain health conditions.

Summer means mosquitoes, and that means a higher risk of getting West Nile virus, and while symptoms are often mild, it can present problems for older adults. This virus ...

CDC virus expert resigns after RFK Jr.’s purge of vaccine advisers Fiona Havers, who oversaw CDC respiratory virus data, told colleagues she no longer had confidence the data would be used ...

The U.S. has hit an unwelcome milestone in measles cases this year. The CDC is reporting 1,288 cases across the country. The disease was declared eliminated 25 years ago.