Thousands of cases of the chikungunya virus, which sickens people bitten by an infected mosquito, have broken out in China ...

An outbreak of canine distemper is being reported in the Valley, affecting both coyotes and some dogs. Officials are urging ...

Texas hasn’t reported a new outbreak-related measles case in nearly a month — a hopeful sign that one of the largest ...

Six years ago, two communities in New York – one in Brooklyn and one in Rockland County – were facing the worst measles outbreaks the United States had seen in decades. It was the closest the ...

Even so, this outbreak already far surpasses what had been L.A. County’s most significant hepatitis A outbreak in the last decade, when 87 confirmed cases were reported in 2017.

Health officials have given few details about the Oconto County measles cases. They have not disclosed ages, vaccination ...

There was a global outbreak in 2022 and 2023 but the virus is no longer circulating as widely in Europe and the U.S. However, large swathes of Africa are in the midst of a major outbreak.

A Legionnaires' disease outbreak in Central Harlem has now sickened 90 people and caused three deaths, New York City health ...

New York City Department of Health inspectors are fanning out across Central Harlem to inspect cooling towers amid a deadly ...

Experts say the painful infection, spread to people from mosquitoes, can get to many countries if it finds the right hosts ...

We had a playbook for handling biothreats. Then Trump pushed out the people who knew how to use it.