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

U.S. health officials are preparing to screen passengers flying in from Rwanda for symptoms of Marburg virus, a severe infection similar to Ebola.

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,

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

Rwanda is in the midst of its first outbreak of Marburg virus – an often fatal disease with symptoms similar to Ebola. So far, 46 cases have been recorded and 12 deaths. The source of the outbreak is still not known.

A new vaccine trial is under way in Rwanda as the country fights an outbreak of the highly deadly Marburg virus. View on euronews

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.