First Case Of Monkeypox In Us 2024. More than 500 mpox cases have been reported in the united states in 2024, according to cdc data, and relatively low levels of vaccination leave many at risk. The us public health emergency declaration for mpox, formerly known as monkeypox, ends tuesday.

Case of monkeypox this year was reported may 12 in massachusetts. The massachusetts department of public health on wednesday said it had confirmed a single case of monkeypox virus infection in a man who had recently.