Yellow Fever

Yellow Fever

A dangerous virus which infects travellers in Africa, South America, Central America and the Caribbean through mosquito bites. Can cause muscle pain, headaches, loss of appetite, nausea or vomiting and occasionally death.

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Key Facts around Yellow Fever

Half of those with a severe case of yellow fever die as a result.1

  • How do people catch the disease?

    When they’re bitten by infected mosquitoes which carry the virus.1,3

  • Which countries are affected?

    Many countries in South and Central America, including parts of the Caribbean, and in West and Central Africa (see map).2

  • What are the symptoms?

    Fever, muscle pain, headache,jaundice, loss of appetite, nausea or vomiting.1,2

  • How serious is the diseas?

    The disease is serious and can affect the liver and kidneys, cause uncontrolled bleeding, and be fatal.1,3

  • Can I reduce the chances of catching the disease?

    You can take the following precautions to help reduce your risk of infection:

    • Visit a travel health clinic to assess the risks of the planned trip and get advice about available vaccinations and further precautions.
      Click here to find your nearest travel health clinic and make an appointment:
    • Take steps to avoid mosquito bites when mosquitoes are most active (during daylight hours)4
    • Use a recommended insect repellent containing either 20% Icaridin (e.g Moskito Guard®, for more information please see or 50% DEET.3
    • Wear appropriate clothing (e.g long-sleeved clothes and long trousers)3
    • Use physical barriers, such as bed nets and window screens4
  1. World Health Organization. Factsheet. Yellow Fever. Mai 2019. Available online: (Last accessed September 2020)
  2. Centers for Disease Control and Prevention. Yellow Book 2020. Chapter 4 Travel-Related Infectious Diseases. Yellow Fever. Vvailable online: (Last accessed September 2020)
  3. Gesundheit.GV.AT. Gelbfieber. Available online: (Last accessed September 2020)
  4. Centers for Disease Control and Prevention. Yellow Book 2020. Chapter 3 Environmental Hazards & Other Noninfectious Health Risks. Mosquitoes, Ticks, & Other Arthropods. Available online: (Last accessed September 2020)

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