US officials monitoring over 400 people for monkeypox; 21 cases confirmed

Enlarge / A negative stain electron micrograph of a monkeypox virus virion in human vesicular fluid. (credit: Getty | BSIP)

Health officials in the US have confirmed 21 cases of monkeypox across 11 states amid a multinational outbreak that has grown to more than 800 cases in over two dozen countries.

In a press briefing Friday, the Centers for Disease Control and Prevention discussed details of the 17 US cases that officials have clinical data. The officials noted that genetic sequencing from some of the cases revealed two distinct lineages of the monkeypox virus, which may indicate that monkeypox has been quietly spreading among humans for much longer than previously known. It also deepens concern over whether the current outbreak can be contained entirely.

Low risk overall

So far, there have been no deaths reported in the US or multinational outbreak. Among the 17 well-documented US cases, all patients are reported to be doing well and are isolating.

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