The monkeypox is caused by a virus transmitted to humans by infected animals and it can also be passed from human to human ...

The first U.S. case of a deadlier form of the mpox (formerly monkeypox) virus strain has been reported in California.

The first case of mpox clade I was found in California, but the risk to the public remains low, public health officials said ...

The first known case of a more severe strain of mpox, known as clade I, has been confirmed in the United States, health ...

There is no evidence that the mpox clade I strain is spreading between people in California or elsewhere in the U.S.