Rwanda health authorities will launch a vaccine study to counter the Marburg hemorrhagic fever outbreak, which has already claimed 12 lives. The Sabin Vaccine Institute provided 700 trial doses targeting health workers and contacts of confirmed cases.

Rwanda has said it will begin vaccine trials for the fatal Marburg virus, which has already killed at least 12 people in the country - most of them health workers. The east African country has received 700 doses of the vaccine from the Sabin Vaccine Institute,