The clade I mpox outbreak is focused in a number of countries within the African region, as per Figure 1 below. Imported clade I mpox cases outside the African region have been reported in several countries.

Figure 1. African region countries reporting laboratory confirmed clade I mpox (historic or current)

The situation may change rapidly in different countries. It is possible that mpox cases may be present in countries who have not reported clade I mpox to date. Mpox of an unknown clade has been reported in Gabon but is presumed to be clade I (due to case travel history).

Given the continuing spread of clade I mpox, please check this webpage regularly for any updates to the countries included.

Table 1. List of countries with evidence of ongoing clade I mpox transmission or exportation during the 2024 to 2025 outbreak

Table 2. List of countries in the African region with historical transmission of clade I mpox, with no cases reported during the 2024 to 2025 outbreak

Imported clade I mpox cases with limited or no onward transmission have been reported in several countries:

• Angola (with reported travel history to a clade I affected country)
• Belgium (with reported travel history to a clade I affected African country), with limited transmission among household contacts
• Canada (with reported travel history to a clade I affected African country)
• China (with reported travel history to the Democratic Republic of the Congo),Congo and United Arab Emirates), with limited transmission among close contacts
• France (with reported travel history to a clade I affected African country), with limited transmission among close contacts
• Germany has reported imported clade I mpox cases (with reported travel history to Rwanda or Tanzania or clade I affected African countries), with limited transmission among household contacts
• India (with reported travel history to the United Arab Emirates)
• Republic of Ireland (with reported travel history to the Democratic Republic of the Congo)
• Oman (with reported travel history to the United Arab Emirates)
• Pakistan (with reported travel history to the United Arab Emirates)
• South Africa (with reported travel history to Uganda)
• Sweden (with reported travel history to a clade I affected African country)
• Thailand (with reported travel history to a clade I affected African country)
• United States (with reported travel history to a clade I affected African country)
• the United Kingdom has reported imported clade I mpox cases (with reported travel history to clade I affected countries in Africa), with limited transmission among household contacts
• Zimbabwe (with reported travel history to Tanzania)

These countries are not considered as clade I mpox affected for purposes of testing or guidance, unless an individual reports being a contact of a confirmed case in one of these countries. Reported travel history is not necessarily indicative of acquisition in-country and investigations may be ongoing.