The US Centers for Disease Control and Prevention issued a health alert about an outbreak in Uganda of deadly Sudan virus disease, a viral hemorrhagic fever that is in the same family as Ebola.

The U.S. Centers for Disease Control and Prevention on Thursday warned doctors and other healthcare workers about an outbreak of Ebola cases in Uganda. The agency said although no cases have been reported in the U.

U.S. health officials are telling Americans to take precautions if they travel to Uganda because of an Ebola outbreak.

Ugandan authorities launched a clinical trial of a vaccine against the Sudan strain of Ebola that has killed one nurse in the capital, Kampala.

U.S. health officials advise Americans traveling to Uganda to take enhanced precautions due to an Ebola outbreak