First Case Of Monkeypox In Us 2024 By County. Two doses of jynneos are recommended. 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.

Mpox cases in the united states are twice as high as they were at this time last year, and experts are stressing the importance of improving vaccination coverage as transmission. A los angeles county resident’s death has been attributed to monkeypox, the county department of public health said monday, the first known death from the virus in the us.