The sample with the measles virus was collected on July 7. Utah health officials confirmed the result on July 11.

On the heels of Mobile County’s second case of the year of West Nile virus, health authorities reported Friday that ...

Older adults and immunocompromised people can be at higher risk for developing serious illness or death, the Oregon Health Authority said.

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

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

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 ...

Health officials in northern Arizona confirmed Friday that a Coconino County resident died from the pneumonic plague, marking ...

A man in New South Wales was exposed to a rare relative of the rabies virus and died of the resulting infection. His was only the fourth case of the disease ever documented.

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.

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.