Ebola Virus Disease: Symptoms, Causes, Prevention & Treatment

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What is Ebola Virus Disease (EVD)?

Ebola Virus Disease (EVD), formerly known as Ebola hemorrhagic fever, is a rare but severe and often fatal viral illness affecting humans and non-human primates. It is caused by the Ebola Virus Disease and belongs to the Filoviridae family.

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Causes of Ebola Virus

Ebola is caused by the Ebola virus. Scientists believe fruit bats are the natural hosts of the virus.

How Does Ebola Spread?

The virus spreads through:

  • Direct contact with blood or body fluids of an infected person
  • Contact with contaminated objects (needles, bedding, clothing)
  • Contact with infected animals such as bats, monkeys, or chimpanzees
  • Unsafe burial practices involving infected bodies

Note: Ebola does not spread through air, water, or food under normal conditions.

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Symptoms of Ebola

Symptoms usually appear 2–21 days after exposure.

Early Symptoms

  • Sudden fever
  • Severe headache
  • Muscle and joint pain
  • Weakness and fatigue
  • Sore throat

Advanced Symptoms

  • Vomiting
  • Diarrhea
  • Abdominal pain
  • Skin rash
  • Internal and external bleeding
  • Organ failure in severe cases

Diagnosis

Healthcare providers diagnose Ebola using:

  • PCR (Polymerase Chain Reaction) tests
  • Blood tests
  • Antigen detection tests

Treatment

There is no specific cure, but early medical care improves survival.

Supportive Treatment Includes:

  • Intravenous (IV) fluids
  • Electrolyte replacement
  • Oxygen therapy
  • Blood pressure support
  • Treatment of secondary infections

Approved monoclonal antibody therapies may be used in certain cases.

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Prevention of Ebola

  • Avoid contact with infected individuals and their body fluids.
  • Practice proper hand hygiene.
  • Use personal protective equipment (PPE).
  • Follow safe burial procedures.
  • Avoid handling wild animals in affected regions.
  • Vaccination is available for some Ebola virus strains.

Complications

  • Severe dehydration
  • Shock
  • Multiple organ failure
  • Bleeding disorders
  • Death in severe untreated cases

Conclusion

Ebola Virus Disease is a serious infectious disease that requires rapid diagnosis, isolation, and supportive treatment. Public health measures, vaccination, and awareness play a crucial role in preventing outbreaks and reducing mortality.

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