Of those infected across the U.S., 97% of cases came from those who are unvaccinated or whose vaccination status is unknown.

As highly pathogenic H5N1 avian influenza continues to spread in the U.S., posing serious threats to dairy and poultry farms, ...

“That’s measles,” said Kline, an infectious disease expert who recognized the signs from treating hundreds of cases in Uganda ...

Officials say the adult was at a Poteet-area place of worship the evening of April 13. He is no longer infectious.

Analysis - We've long known that environmental factors - from humidity and temperature to trace chemical vapours - can influence how pathogens, such as viruses, bacteria and fungi, behave once ...

The Gallatin City-County Health Department says it has been notified of a possible measles case in Gallatin County.