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  1. en.wikipedia.org › wiki › Yellow_feverYellow fever - Wikipedia

    Yellow fever is caused by Yellow fever virus (YFV), an enveloped RNA virus 40–50 nm in width, the type species and namesake of the family Flaviviridae. It was the first illness shown to be transmissible by filtered human serum and transmitted by mosquitoes, by American doctor Walter Reed around 1900.

  2. May 15, 2024 · Yellow fever is caused by a virus that is found in Africa and South America. The virus belongs to a group of viruses called flaviviruses. Other flaviviruses cause disease in people, including dengue virus, West Nile virus, St. Louis encephalitis virus, and Japanese encephalitis virus.

  3. May 15, 2024 · Key points. Initial symptoms of yellow fever can include fever, chills, severe headache, back pain, general body aches, nausea, vomiting, fatigue (feeling tired), and weakness. Severe symptoms include high fever, yellow skin or eyes (jaundice), bleeding, shock, and organ failure.

  4. Yellow fever is a haemorrhagic viral illness transmitted by bites from infected mosquitoes. “Yellow” refers to the skin colour presented by some patients as a consequence of liver swelling.

  5. May 15, 2024 · Overview. Yellow fever virus is spread to people by the bite of an infected mosquito. It is found in tropical and subtropical areas of Africa and South America. Yellow fever is a very rare cause of illness in U.S. travelers.

  6. The outbreak of yellow fever in Barcelona in 1821. The evolutionary origins of yellow fever most likely came from Africa. Phylogenetic analyses indicate that the virus originated from East or Central Africa, with transmission between primates and humans, and spread from there to West Africa.

  7. May 6, 2024 · Yellow fever, acute infectious disease characterized by fever, headache, backache, nausea, and vomiting. The skin and eyes may appear yellow, a condition known as jaundice, giving rise to the disease’s popular name. Yellow fever is caused by a flavivirus. Learn more about its transmission, treatment, and history.