Transmission of Oropouche virus to the womb has been confirmed in two stillbirths and one birth with congenital anomalies that occurred in Brazil.

"Very high" levels of the virus were detected by the CDC in New Mexico, with "high" levels in Oregon, Arkansas, and Maine.

The H5N1 strain of avian flu is now passing easily among South America's elephant seals and drastically cutting herd ...

With the arrival in California of dengue, a dangerous mosquito-borne disease present mainly in more tropical climates, public ...

The National Institutes of Health, the crown jewel of biomedical research in the U.S., could face big changes under the new ...

The prime minister announced more ambitious climate targets, charting a very different course from the United States, which is expected to roll back its energy transition plans. The Biden ...