One particularly ugly symptom may be making a comeback.

West Nile virus has been detected in California after two dead crows tested positive in San Diego County, prompting officials ...

Add Yahoo as a preferred source to see more of our stories on Google. Respiratory Syncytial Virus or RSV is one of the most common respiratory viruses circulating today. Often thought of as only being ...

WASHINGTON — The holiday season is in full bloom, and with it comes an increase in seasonal respiratory viruses. A number of diseases tend to peak in the winter, thanks to indoor gatherings that help ...

The county health department is reminding residents about symptoms and prevention methods after detecting the virus in local ...

High levels of rotavirus, a potentially deadly virus, have been detected in wastewater in the Boise area, testing shows.

An outbreak of a rare type of Ebola in the DRC has killed 130 and infected hundreds more. What to know about the Bundibugyo ...