As Africa continues to battle an outbreak of the newer "clade Ib" strain of mpox, California officials have confirmed the first known US case of this strain of the virus.

Health officials in California have confirmed the first domestic case of a more severe strain of mpox in a traveler from ...

The Centers for Disease Control and Prevention issued an alert this week to health care workers to be aware of mpox symptoms ...

There have been more than 3,000 confirmed cases of mpox in the country this year, CDC data shows. Florida has reported more ...

The "risk of clade I mpox to the public in the United States remains low," the U.S. Centers for Disease Control and ...

ABC News medical contributor Dr. Alok Patel discusses the CDC alert, as risk to the public remains low, according to the ...

California health officials announced the first U.S. case of the clade I strain of mpox in a person who recently travelled from Africa. Oregon's first human case of bird flu has been confirmed, the ...

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

The first case in the U.S. of a more severe strain of mpox was reported in San Mateo County, the California Department of ...

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.