New Travel-related Clade Ib MPXV Cases Confirmed

The World Health Organization published its 46th situation report for the multi-country outbreak of monkeypox virus, including reports of new travel-related mpox cases due to clade Ib MPXV. 

As of January 28, 2025, the WHO confirmed new travel-related clade Ib MPXV cases had been detected in countries that had already detected travel-related cases, including China, Germany, Thailand, Great Britain and Northern Ireland, and the United States. Azerbaijan has reported its first case during this outbreak.

The outbreak of clade Ib continues predominantly in the Democratic Republic of the Congo, Burundi, and Uganda.

Outside Africa, 11 countries have detected clade Ib MPXV.

In the U. S., since May 2022, most reported mpox cases are clade II.

Additionally, mpox vaccinations are commercially available at clinics and pharmacies in the U.S.