What is the chain of infection of Ebola?

EVD is a severe acute viral illness often characterised by sudden onset of fever, intense weakness, muscle pain, headache and sore throat. This is followed by vomiting, diarrhoea, rash, impaired kidney and liver function, and in some cases, both internal and external bleeding.

What is the transmission cycle of Ebola?

The Ebola virus is transmitted among humans through close and direct physical contact with infected bodily fluids, the most infectious being blood, faeces and vomit.

What is the infectious agent that causes Ebola?

It is caused by an infection with a group of viruses within the genus Ebolavirus: Ebola virus (species Zaire ebolavirus) Sudan virus (species Sudan ebolavirus)

What is the epidemiology of Ebola virus?

The outbreak of Ebola virus disease (EVD) continues to spread through West Africa. Since the first report of EVD in March 2014, the number of cases has increased rapidly, with the fatality rate of >50%. The most prevalent Ebola virus belongs to the species of Zaire ebolavirus, with a fatality rate as high as 90%.

What animal did Ebola come from?

The first human case in an Ebola outbreak is acquired through contact with blood, secretions organs or other bodily fluids of an infected animal. EVD has been documented in people who handled infected chimpanzees, gorillas, and forest antelopes, both dead and alive, in Cote d’Ivoire, the Republic of Congo and Gabon.

What caused Ebola?

What causes Ebola virus disease? EVD is caused by the Ebola virus. It’s origin or how it started is unknown. Scientists believe that it is animal-borne and most likely comes from bats, which transmit the Ebola virus to other animals and humans.

What animal causes Ebola?

African fruit bats are likely involved in the spread of Ebola virus and may even be the source animal (reservoir host). Scientists continue to search for conclusive evidence of the bat’s role in transmission of Ebola.

Where did Ebola virus came from?

History of the disease. Ebola virus disease ( EVD ) is a severe disease caused by Ebola virus, a member of the filovirus family, which occurs in humans and other primates. The disease emerged in 1976 in almost simultaneous outbreaks in the Democratic Republic of the Congo ( DRC ) and Sudan (now South Sudan).

How did the first person get Ebola?