Polio is not endemic in the United States, but the disease is circulating in 30 other countries now. A doctor explains how to ...

The World Health Organization reported two cases of a rare virus in an eastern Indian state on Thursday.

Researchers at the University of California San Diego School of Medicine, with colleagues in Brazil, report that the Zika virus is transmitted from mother to fetus by infected cells that, ironically, ...

Add Yahoo as a preferred source to see more of our stories on Google. (NewsNation) — The mosquito-borne chikungunya virus is spreading rapidly through Southern China, and strict precautions are being ...

The antiviral baloxavir significantly reduced household transmission of influenza compared with placebo. The drug showed consistent effects across age groups, virus types, and countries, with no new ...

As winter melts away, the Aedes mosquito population rises with the temperature. When these mosquitoes puncture host skin to feed with their needle-like probosces, they often transmit pathogens like ...

India, March 15 -- For years, vaccine researchers have debated an important question: should vaccines mainly focus on ...

A long-running debate in vaccine design revolves around whether a vaccine should be optimized to prevent the virus from ...

Share on Pinterest Despite the recent outbreak in India, health experts suggest the Nipah virus is an unlikely candidate for a global pandemic. Image credit: CharlesGibson/Getty Images Two new cases ...