The length of time between exposure to the virus and the development of symptoms incubation period is between two and 21 days, 1 21. Gastrointestinal symptoms including diarrhea and vomiting. Currently, there are evd outbreaks in several western african nations, including guinea, liberia, sierra leone and parts of nigeria. Ebola virus disease in west africathe first 9 months of the. Introduction ebola virus disease evd is one of the deadliest haemorrhagic fevers affecting humans and nonhuman primates. Ebola virus disease evd general information what is ebola virus disease. Ebola ebola virus disease ebola ebola virus disease fact sheet. Humantohuman transmission of the ebola virus is primarily. Introduction to ebola disease world health organization.
The average ebola case fatality rate is around 50%. Ebola disease is a severe, often fatal illness in humans. International colloquium on ebola virus infection and other haemorrhagic fevers, antwerp. Ebola virus haemorrhagic fever viral diseases enivd. Food and drug administration fda has approved the ebola vaccine rvsvzebov tradename ervebo for the prevention of evd. Ebola virus disease evd is a lifethreatening viral disease with a fatality rate ranging from around 30% to 90%. What you need to know about ebola centers for disease. The incubation period the time interval from infection to. The ministry of health and who continue to closely monitor the outbreak of ebola virus disease evd in the democratic republic of the congo.
Early symptoms of evd such as fever, headache, and weakness are not specific to ebola virus infection and are seen in patients with more common diseases, like malaria and typhoid fever. The virus is transmitted to people from wild animals and then spreads in the human population through. Ebola virus disease, viral haemorrhagic fever, filovirus. Ebola is one of several viral hemorrhagic fevers, caused by infection with a virus. To determine whether ebola virus infection is a possible diagnosis. Both tests are intended for the pre sumptive identification of ebola virus in patients with signs and symptoms of ebola virus infection and. Symptoms show up 2 to 21 days after infection and usually include.
Aches and pains, such as severe headache, muscle and joint pain, and abdominal stomach pain. Pdf currently, west africa is facing the largest outbreak of ebola virus disease evd in history. Ebola virus disease evd is a severe, often fatal, viral disease. Ebola virus disease sudansouthern regioncongresses. Thirtyfour outbreaks have been reported in africa since it. Ebola treatment centre etc, following two negative tests on serial laboratory specimens. Ebola virus disease is a serious, often fatal condition in humans and nonhuman primates. Only bundibugyo, sudan, and ebola viruses have been associated with disease outbreaks in humans. Distribution of ebola virus disease cases by health zone in equateur province.
356 1152 448 435 353 216 1122 1479 728 272 1350 1173 1175 192 844 1366 94 930 766 358 310 179 743 1462 70 927 1024 394 699 309 1146 489 435 278 603 1493 399 880