The CDC announced the person diagnosed with the disease recently traveled to eastern Africa. The patient has undergone treatment and is isolating at home.

The United States’ first known case of a more severe strain of mpox was confirmed in California, the US Centers for Disease Control and Prevention said Saturday. The risk of clade I mpox to the public remains low,

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