Researchers from the Mayo Clinic and elsewhere have mapped how the measles virus mutated and spread in the brain of an individual who died from a rare brain disease called subacute sclerosing ...

Experts are warning of a potential outbreak of West Nile virus in the U.S. after an unusually early start to the virus's season this summer, and a Newsweek map highlights the threat. At least 80 human ...

Earlier this week, the Center for Disease Control and Prevention (CDC) finally unequivocally confirmed that the Zika virus causes microcephaly in infants – confirming what most scientists had long ...

Researchers mapped how the measles virus mutated and spread in the brain of a person who succumbed to a rare, lethal brain disease. New cases of this disease, which is a complication of the measles ...

The world's deadliest animal is simple to kill, but that doesn't mean it's easy to get rid of them. Mosquitoes across New York City have been found with West Nile virus, and city officials have begun ...

A newly identified bat virus has been quietly infecting people in South Asia, slipping past doctors because it looks so much ...