Mpox Outbreaks
- The ongoing global outbreak that began in 2022 and affected the United States has been caused by clade II.
- The large ongoing outbreak in the Democratic Republic of Congo (DRC) and surrounding countries has been caused by clade I.
- On August 14, 2024, the World Health Organization (WHO) declared mpox to be a public health emergency of international concern. The declaration is WHO’s highest level of alert for countries around the world.
- So far, there have been no clade I mpox cases reported in the U.S.
- The first clade I mpox case reported outside of Africa was in Sweden.
For additional information, visit VDH Mpox Basics.
Learn more about mpox, prevention, and Fairfax County resources.