See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Experts are warning of a potential outbreak of West Nile virus in the U ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Norovirus is the leading cause of acute gastroenteritis in the United ...

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 ...

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 ...