Public health officials announced Friday the first cases of monkeypox in children in the United States, including one toddler living in California and an infant living in another state.
Both children likely became infected by others in their household, the Centers for Disease Control and Prevention said in a statement, though the causes are under investigation.
The child in California was in close contact with an adult who was infected with the the virus in the same household, a spokesperson with the California Department of Public Health said in a statement.