Since May 2022, the spread of monkeypox (M-Pox) has spread mainly in Europe and the United States. In July 5, the WHO declared the spread to be a "public health emergency of international concern" The number of infected people is decreasing, but in Japan, the number of cases reported has increased since the beginning of this year.

The symptoms of patients in regions other than Africa are characterized by cases where the rash is confined to some areas, such as around the genitals and anus.