Key points
An outbreak of Marburg virus disease (Marburg) occurred in Tanzania from March - May 2023. This was the country's first Marburg disease outbreak and resulted in five deaths.
An outbreak of Marburg virus disease (Marburg) occurred in Tanzania from March - May 2023. This was the country's first Marburg disease outbreak and resulted in five deaths.
Outbreak investigation summary
On March 21, 2023, Tanzania government officials declared the country's first Marburg outbreak. CDC's Tanzania country office provided immediate support in surveillance, epidemiology, and data management. The outbreak was declared over on May 31, with one probable and eight confirmed cases, of which five died. All cases were reported from the country's northwest Kagera region.
A Marburg outbreak occurred around the same time in Equatorial Guinea. At this time, there is no evidence of a link between the Equatorial Guinea and Tanzania outbreaks. No confirmed cases of Marburg related to these outbreaks were reported outside of those two countries.
