A potentially more dangerous version of mpox, formerly known as monkeypox, has officially made it stateside.

California health officials recently reported the first known case of clade I mpox to be detected in the U.S.

The case involves a person who recently traveled from Africa, where clade I is endemic.

An illustration of mpox viruses.

An illustration of mpox viruses.© Uma Shankar sharma via Getty

The virus is primarily transmitted through direct contact.

But in 2022, the virus started to cause widespread human-to-human outbreaks.

The individual is isolating at home and recovering.

Group A Streptococcus

So vigilance is needed to track and prevent these cases from spreading further.

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