Ebola virus disease is often deadly.
Ebola virus disease , formerly known as Ebola haemorrhagic fever, is a severe and often fatal infection caused by viruses in the genus Ebolavirus.
What are Ebola viruses?EVD is caused by viruses in the genus Ebolavirus within the family Filoviridae; these viruses most commonly cause disease in humans and nonhuman primates, including monkeys, gorillas and chimpanzees, according to the CDC . Current evidence suggests that African fruit bats likely serve as the natural"reservoir" for Ebola viruses in the wild, according to the CDC. That means the animals likely carry the viruses without falling ill and instead act as the primary vessels that the viruses replicate in. In theory, the viruses can then spread from bats to other animal species and to humans.
A WHO Ebola Situation Assessment for Oct. 6, 2014 states that the virus is most easily transmitted through blood, feces and vomit. The virus can also be transmitted through urine, saliva, sweat, breast milk, amniotic fluid and semen, according to the CDC . What are the symptoms of Ebola?Symptoms of EVD may appear two to 21 days after exposure to the Ebola virus, and on average, symptoms tend to appear within eight to 10 days, the CDC says.
How deadly is Ebola?EVD is often fatal. The average case fatality rate of the disease is estimated at 50%, and in past outbreaks, the case fatality rates have ranged from 25% to 90%, according to the WHO. Are there vaccines for Ebola?Recently, two vaccines were developed for the prevention of EVD, according to the WHO .
In 2020, the European Medicines Agency recommended granting"marketing authorization" to Zabdeno-and-Mvabea for use in individuals as young as 1 year old. This vaccine has not been approved for routine use by the FDA but it has been used under a research protocol, according to the CDC . What recovery from Ebola looks likeEVD survivors are often faced with long-lasting medical problems and other changes in their bodies.
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