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

The first known case of clade I mpox in the U.S. was recently discovered in a person in California, the Centers for Disease ...

Officials say the person had traveled to eastern Africa and was treated in Northern California, and that risk to the public ...

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 ...