A Marburg virus scare is being closely monitored in Uganda where one person has died so far. Officials say 11 people have tested negative for the deadly virus which is similar to Ebola. Nearly 100 others are still being monitored. CCTV America’s Isabel Nakirya reports.

The World Health Organization (WHO) is also working closely with Uganda’s Ministry of Health to contain the deadly hemorrhagic fever. The one victim of the virus was a health worker who came into direct contact with 11 people who were quarantined before they all tested negative for the virus.

According to the Uganda Virus Research Institute, three suspected cases remain in isolation, awaiting test results. One is a seven-year-old child. The U.S Center for Disease Control and Doctors Without Borders are assisting in training to prevention.

The Marburg virus was last reported in Uganda in 2012. At that time, four members of the same family in the western Ugandan district of Kabala died of the virus.

Marburg is a severe and highly fatal disease caused by a virus from the same family as the one that causes Ebola. According to the WHO, the illness caused by the Marburg virus begins abruptly, with a severe headache and malaise.