WHO declares Liberia Ebola-free

The U.N. health agency has declared Liberia Ebola-free. WHO hailed its eradication as an enormous development in the long crisis.

EBOLA:

  • Ebola virus disease (EVD), formerly known as Ebola haemorrhagic fever, is a severe, often fatal illness in humans. It is a disease of humans and other primates caused by an ebolavirus.
  • Symptoms start two days to three weeks after contracting the virus, with a fever, sore throat, muscle pain and headaches.
  • Typically, vomiting, diarrhea and rash follow, along with decreased functioning of the liver and kidneys. Around this time, affected people may begin to bleed both within the body and externally.
  • The virus may be acquired upon contact with blood or bodily fluids of an infected animal.
  • Fruit bats are believed to be a carrier and may spread the virus without being affected. Once human infection occurs, the disease may spread between people, as well.
  • In order to reduce the spread, the World Health Organization recommends raising community awareness of the risk factors for Ebola infection and the protective measures individuals can take. These include avoiding contact with infected people and regular hand washing using soap and water. Traditional burial rituals, especially those requiring washing or embalming of bodies, should be discouraged or modified.

ebola virus

Quarantine

  • Quarantine, also known as enforced isolation, is usually effective in decreasing spread. Governments often quarantine areas where the disease is occurring or individuals who may be infected.

Vaccine

  • No vaccine is currently available for humans. The most promising candidates are DNA vaccines or vaccines derived from adenoviruses, vesicular stomatitis Indiana virus (VSIV) or filovirus-like particles (VLPs) because these candidates could protect nonhuman primates from ebolavirus-induced disease. DNA vaccines, adenovirus-based vaccines, and VSIV-based vaccines have entered clinical trials.

Treatment

  • No specific treatment for the disease is yet available. Efforts to help those who are infected are supportive and include giving either oral rehydration therapy (slightly sweet and salty water to drink) or intravenous fluids.

The recent outbreak in West Africa is the largest and most complex Ebola outbreak since the Ebola virus was first discovered in 1976. The most severely affected countries were Guinea, Liberia and Sierra Leone.

Sources: The Hindu, Wiki, WHO.

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