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

The first case of clade I mpox was reported in California, the CDC said. The individual was treated and is now isolating at ...

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 ...

The case marked the first known instance of that particular mpox variant appearing in the United States. A different variant ...

California health authorities identified the first known case of clade I mpox in the U.S. through laboratory testing. The ...

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

San Mateo County health officials said on Saturday they have reported the first known case of clade I mpox in California and ...

There have been 21,370 confirmed mpox cases worldwide, including both Clade I and Clade II, in 79 locations since the ...

Public health officials have reported the first case of clade I mpox in the United States in a person who traveled to ...

Health officials in California confirmed Saturday they have identified the first known case of a more severe form of mpox ...

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