California has detected the country’s first case of a new mpox strain in a person who recently traveled from Eastern Africa ...

Mpox is a rare disease caused by infection with a virus that’s in the same family as the one that causes smallpox. It is endemic in parts of Africa, where people have been infected through bites from ...

The first known case of clade I mpox in the U.S. was found in a person in California, the Centers for Disease Control and Prevention said Saturday.

Health officials said Saturday they have confirmed the first U.S. case of a new form of mpox that was first seen in eastern ...

The first U.S. case of a new form of mpox, initially detected in eastern Congo, has been confirmed in a traveler returning ...