More than two years after the mpox outbreak in the U.S. was declared over, a new crop of cases in California has infectious ...

The California Department of Health reports that three hospitalized clade I mpox patients are now recovering, marking the ...

It’s the first time this particular type of mpox, known as “Clade I,” has been found in the United States among people who ...

Clade I mpox has been seen in the United States before, but only in people with recent travel abroad. The three cases in ...

Health officials in Southern California are investigating the spread of a new strain of the Monkeypox virus after three cases were reported last week in the region.

A more dangerous mpox strain, Clade 1, has spread inside the US for the first time after causing thousands of infections in Africa.

Public health officials say the danger to the public is low, and both patients in California were isolated and treated.

Health officials have confirmed Los Angeles County’s first case of the more severe clade I mpox strain in an adult who had ...

A million-year-old skull from China, Yunxian 2, reshapes our understanding of human origins and ancient human relatives.

Mpox transmission surged between July to September last year, but there have been far fewer cases recorded in 2025.