Four European travel hotspots have experienced an outbreak of the liver infection hepatitis A, leaving thousands sickened and nine dead.

The survivors in "28 Years Later" have to contend with dangerous new variants of the infected in Danny Boyle's sequel.

West Nile virus has been confirmed in samples from 17 Illinois counties so far this year, according to the IDPH. Find out where.

Comer is no stranger to crisis storylines. She played the mother of a newborn facing an apocalyptic flood in The End We Start ...

Mosquitoes are buzzing again — and some are carrying West Nile virus. Local health agencies have already found virus-positive mosquitoes in Sacramento, Kern, Tulare, and Santa Clara counties ...

The opening scene of 28 Days Later explained the origin of the Rage Virus, but there are still many questions that remain unanswered.

More mosquitoes have tested positive for West Nile Virus in the north suburbs, this time in Niles, Illinois health officials said.

Researchers have tracked how the COVID-19 virus mutates long term, revealing patterns that could help predict the emergence of future variants.

Human immunodeficiency virus (HIV) is a germ that causes a lifelong infection that slowly weakens the immune system. Though the infection is lifelong, medicines can keep the virus in check and ...

The strain of bird flu that infected a Michigan dairy worker in May 2024 is capable of airborne transmission, according to new research from the CDC.

A team identified herpes virus saimiri, which infects the T cells of squirrel monkeys, as a source of proteins that activate pathways in T cells that are needed to promote T cell survival.

Experts urge US to prepare for possible new pandemic as new H5N1 bird flu outbreak spreads to dairy animals, human infections. Here's what to know ...