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This is a rapidly evolving situation, and case counts are subject to change.
The DRC and Uganda Ministries of Health report the following:
DRC
(As of June 13)
Uganda
(As of June 14)
In early May, a hospital in Bunia Health Zone in northeastern DRC identified a cluster of severe illnesses affecting healthcare workers. Initial samples tested in DRC were negative for Ebola virus, but later 8 out of 13 samples tested positive for an orthoebolavirus, and 5 were inconclusive. Using genetic fingerprinting, the illnesses were identified as Bundibugyo (Bun-dee-BOO-joh) virus, one of the 4 types of orthoebolaviruses that cause Ebola disease in people.
There is no vaccine for Bundibugyo virus, and treatment consists of supportive care. Patients have experienced Ebola disease symptoms like fever, headache, vomiting, severe weakness, abdominal pain, nosebleeds, and vomiting blood.
There have been 2 previous outbreaks of Bundibugyo virus, one in Uganda (2007) and one in DRC (2012), with death rates of 32% and 55%, respectively. This outbreak is now the largest caused by Bundibugyo virus.
A CDC analysis of available data examines what this outbreak could look like over the coming months by running a range of scenarios. This analysis is used as a planning tool to show how public health actions in affected areas could affect case numbers and deaths. The modeling suggests that strong, immediate support is needed to control the current outbreak.
CDC assessed the risk posed by this ongoing outbreak to the U.S. population during the next 3 months as low. Even though there are large numbers of cases in DRC, the current likelihood for potential spread of Bundibugyo virus from DRC to the United States is considered very low. Further, if a case was diagnosed in the United States, the risk of community spread in the United States is also low given the strength of our public health system and infection control measures.
For Americans going about their daily lives – including those with travel plans that don’t involve the affected countries – there is no recommended change in behavior at this time.
CDC is working internationally and domestically to respond to this outbreak and prevent Ebola from entering the United States.
CDC has guidance for people who recently have been in areas affected by this Ebola outbreak, including what to do if you feel sick after travel.
This map highlights the provinces of Ituri, Nord-Kivu, and Sud-Kivu in the Democratic Republic of the Congo and areas (health zones) within those provinces that have confirmed cases of Ebola disease. The map also highlights one district in Kampala, Uganda with confirmed cases.
Learn about Ebola disease, caused by an infection with one of a group of viruses, known as orthoebolaviruses, that are found primarily in sub-Saharan Africa.
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