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

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

A person in California tested positive for mpox clade I, the first time the strain has been reported in the U.S.

There is no evidence that the mpox clade I strain is spreading between people in California or elsewhere in the U.S.

The first U.S. case of a new mpox strain is identified in California, with low public risk, amidst global responses to the ...

A new strain of mpox has been confirmed on American shores after a traveler returned to California from a visit to Africa, ...

The infected individual, who received treatment in San Mateo County, recently returned from Africa, where an mpox outbreak is ongoing.

According to the CDPH, the person identified with mpox was treated in San Mateo County and is now isolating at home while recovering.

The first case of a new strain of mpox in the United States has been reported in San Mateo County, officials said Saturday.