Rwanda has initiated a clinical trial for a Marburg vaccine following an outbreak that has claimed 12 lives. With 46 confirmed cases, the study will target healthcare workers and high-risk individuals.

Rwanda's first outbreak of viral hemorrhagic fever was detected in late September, with 46 cases and 12 deaths reported since then

Rwandan health authorities will begin a vaccine study against the Marburg hemorrhagic fever, officials said Sunday, as the East African country tries to stop the spread of an outbreak that has killed 12 people.