The California Department of Public Health (CDPH) has identified the first known case of clade I mpox in the United States.

The U.S. is the sixth country outside of Africa to confirm a case of the strain, called clade I, since August.

San Mateo County health officials have announced the nation’s first known case of a severe form of mpox that has fueled an ...

REDWOOD CITY, Calif. - The first case of a new strain of mpox in the United States has been reported in San Mateo County in ...

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

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

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

(SAN MATEO COUNTY, Calif.) — Health officials in California have confirmed the first domestic case of a more severe strain of ...

The nation's first-known case of a more aggressive strain of mpox was detected in California, officials said Saturday. A ...

There is no evidence that the strain is spreading in California or the U.S., and the risk of contracting Clade I mpox in the ...

The unidentified patient had recently returned from Africa, where the virus has caused a deadly epidemic, health officials ...