Smallpox B (Mpox)

Smallpox B (Mpox), formerly known as monkeypox, is a rare viral infectious disease caused by the monkeypox virus and transmitted primarily from rodents to humans, and then from person to person, mainly through contact with skin lesions.

Our missions

  • Epidemiological surveillance and case investigation, particularly of clusters

  • Contributing to research efforts to advance scientific knowledge at the national and international levels

  • Participation in expert assessments of vaccination and care policies

  • Vaccine logistics (procurement, inventory management, and distribution)

  • Development and distribution of tools, and implementation of information and prevention campaigns targeting at-risk populations

Data

Cases of smallpox B (Mpox) detected in France

A total of 174 cases of smallpox B (Mpox) have been reported to Santé publique France since January 1, 2025. The reported cases overwhelmingly involve adult men. Four cases of infection with a clade Ib virus have been identified since the start of the outbreak.

Latest detailed report:

Situation in Europe and Worldwide

On August 16, 2024, the ECDC, working closely with the African CDC, assessed the risk of the emergence of the new Ib variant as low for countries in the European Union (EU) and the European Economic Area (EEA).

See also: