19th November 2017

Ebola

Ebola Virus Disease

  • Ebola Virus Disease (formerly known as Ebola Hemorrhagic Fever) is a Severe, often fatal illness, with a death of up to 90%. The illness affects humans and non-human primates (monkeys, gorillas and chimpanzees).
    1. Genus Ebola Virus is 1 of 3 members of the Filoviridae family (filovirus), along with genus Marburgvirus and genus Cuevavirus. Genus Ebola Virus comprises 5 distinct species:
    2. Bundibugyoebolavirus (BDBV)
    3. Zaire ebolavirus(EBOV)
    4. Reston ebolavirus (RESTV)
    5. Sudan ebolavirus (SUDV)
    6. Tai Forest ebolavirus  (TAFV)
  • As on 18th May 2014, the Ministry of Health (MOH) of Guinea has reported a cumulative total of 253 clinical cases of Ebola Virus Disease (EVD), including 176 deaths.
  • Latest figures on number of cases/deaths and countries affected can be obtained from WHO website http://www.afro.who.int/en/clusters-a-programmes/dpc/epidemic-a-pandemic-alert-and-response/outbreak-news/4140-ebola-virus-disease-west-africa-situation-.html

Transmission

  • Ebola is introduced into the human population through close contact with the blood, secretions, organs or other bodily fluids of infected animals, chimpanzee, gorilla, fruit bats, monkeys, forest antelopes and porcupines.
  • Human-to human transmission, with infection resulting from direct contact (through broken skin or mucous membranes) with the blood, secretions, organs or other bodily fluids of infected people, and indirect contact with environments contaminated with such fluids, Health-care workers have frequently been infected while treating patients with suspected or confirmed EVD.
  • The virus can be transmitted through semen of affected person up to 7 weeks after recovery from illness.
  • Health-care workers have frequently been infected while treating patients with suspected or confirmed EVD. Till 28th August, 2014 around 240 health care workers have died. This has occurred through close contact with patients when infection control precautions are not strictly practiced.
  • People are infectious as long as their blood and secretions contain the virus. Ebola virus was isolated from semen 61 days after onset of illness in a man who was infected in a laboratory.
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