First reported outbreak caused by Marburg virus in Ethiopia

Actions requested

Be aware: An outbreak of Marburg Virus (MVD) is occurring in Ethiopia. 

• No suspected or confirmed cases of MVD related to this outbreak have been reported anywhere outside of Ethiopia as of December 3, 2025. 
• The risk of spread to the United States is considered low at this time; however, clinicians should be aware of the potential for imported cases.  
• Currently, the CDC is not implementing additional surveillance of travelers from Ethiopia at U.S. ports of entry.

Assess travel history

• Obtain a detailed travel history from patients with suspected MVD or other hemorrhagic fevers, especially those who have been in affected areas of Ethiopia recently. 
• Counsel patients with planned travel to an MVD outbreak-affected area on ways to prevent exposure during their travel. Travelers should monitor themselves for symptoms of MVD while in the outbreak area and for 21 days after leaving.

Report: Immediately report suspected cases of MVD and other viral hemorrhagic fevers to Public Health at 206-296-4774.

Resources

• First Reported Outbreak Caused by Marburg Virus in Ethiopia, CDC Health Alert Network (HAN)
• Clinical Overview of Marburg Virus Disease, CDC
• Marburg in Ethiopia, CDC Travelers' Health