Ethiopia declares end of its first Marburg outbreak after 42 days with no new cases
Ethiopia has declared its first Marburg virus outbreak over after meeting the 42-day benchmark without new confirmed cases, following weeks of response efforts supported by the WHO.
Outbreak declared over
Ethiopia has officially declared the end of its first Marburg virus outbreak after completing the standard 42-day period without any newly confirmed infections. The milestone signals that chains of transmission were broken and that surveillance did not detect fresh spread as the response entered its later stages.
The outbreak began in November 2025 in a southern region near the South Sudan border and resulted in a limited number of confirmed cases, including fatalities and recoveries. Health authorities also recorded additional deaths considered possible cases, reflecting the reality that in remote settings, not every fatal illness can be laboratory-confirmed in time.
How Marburg spreads and why it is feared
Marburg is a viral hemorrhagic fever related to Ebola and is associated with high fatality rates in some outbreaks. It is linked to fruit bats and can spread between people through direct contact with bodily fluids, as well as contaminated surfaces. Symptoms can begin with fever and severe malaise and may progress to vomiting, bleeding, and shock in serious cases.
Because early symptoms can resemble other infections, rapid identification and strict infection prevention measures are crucial. Health worker infections are a particular concern, and outbreaks often test the strength of hospital protocols and community-level education.
What response measures helped stop transmission
Ethiopian health authorities, with support from the World Health Organization, emphasized surveillance, contact tracing, laboratory confirmation, and infection control in health facilities. These steps are the backbone of Marburg containment, especially in the absence of widely available vaccines or specific antiviral treatments.
Case management, community communication, and safe burial practices also play major roles in stopping spread. Even after an outbreak is declared over, health systems typically maintain heightened monitoring for a period, since rapid detection is essential if new cases appear.
The continuing challenge
While the declaration marks an important success for Ethiopia’s public health response, Marburg remains a recurring risk in parts of Africa where bat reservoirs exist and where cross-border movement can complicate monitoring. The end of this outbreak reduces immediate danger, but it also reinforces the need for ongoing preparedness, laboratory capacity, and rapid response teams.
Public health officials continue to emphasize that prevention, early detection, and swift containment remain the most reliable tools against Marburg until vaccines and treatments become more broadly available.