Multi-country monkeypox outbreak in non-endemic countries: Update

WHO
May 29, 2022

Multi-country monkeypox outbreak in non-endemic countries: Update


Outbreak at a glance

Since 13 May 2022, monkeypox has been reported to WHO from 23 Member States that are not endemic for monkeypox virus, across four WHO regions. Epidemiological investigations are ongoing. The vast majority of reported cases so far have no established travel links to an endemic area and have presented through primary care or sexual health services. The identification of confirmed and suspected cases of monkeypox with no direct travel links to an endemic area is atypical. Early epidemiology of initial cases notified to WHO by countries shows that cases have been mainly reported amongst men who have sex with men (MSM). One case of monkeypox in a non-endemic country is considered an outbreak. The sudden appearance of monkeypox simultaneously in several non-endemic countries suggests that there may have been undetected transmission for some time as well as recent amplifying events.

The current publication of Disease Outbreak News is an update to the previously published Disease Outbreak News of 21 May. This edition provides information on recently published WHO guidance for the outbreak. The background information, such as the description of the epidemiology of the disease, remains mostly unchanged.

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