The World Health Organization issued a global health emergency over the spread of the new, more lethal clade I mpox strain.

The California Department of Public Health Saturday reported the first known case of clade I mpox in the U.S. to the Centers for Disease Control and Prevention.

The person traveled to eastern Africa and was treated in San Mateo County. California health officials said the new mpox variant isn't spreading in the state.

Health officials have confirmed a U.S. case of an aggressive new form of mpox, detected in northern California in someone who ...

The California Department of Public Health has confirmed the first known case of Clade I mpox in the U.S., following laboratory testing of a patient who recently traveled from East Africa.

Health officials in the United States are on alert following the confirmation of a severe case of mpox, a disease ...

The person had traveled to eastern Africa and was treated in San Mateo upon return, according to the California Department of ...

Nigeria started mpox vaccinations on Monday, administering shots to health workers and people with weak immune systems at ...

The United States’ first known case of a more severe strain of mpox was confirmed in California, the US Centers for Disease ...

The individual in question had recently returned from eastern Africa, the state health department said. Also in the news: bird flu, covid, and dengue fever.

As Africa continues to battle an outbreak of the newer "clade Ib" strain of mpox, California officials have confirmed ...

The patient was traveling from East Africa, where the mpox disease is endemic. The CDC says the strain does not present a ...