The first case of clade I mpox, one of two strains of the disease, has been identified in Connecticut through testing at the State Public Health Laboratory.

WASHINGTON -- The United States is responding to a request for the release of monkeypox vaccine from the nation's Strategic National Stockpile as a global outbreak of cases is under investigation.

The person who was infected recently traveled to Western Europe, where clade I mpox is spreading, officials say.

The World Health Organization announced Monday that "mpox" is now the preferred name for monkeypox. "Both names will be used simultaneously for one year while 'monkeypox' is phased out," the ...

On a humid January morning in 2023, deep in the heart of Côte d’Ivoire’s Taï National Park, a baby monkey fell ill. Its skin erupted with angry red lesions, the kind scientists recognize immediately ...