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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.
- Yellow Fever (Disambiguation)
Yellow fever is an acute viral hemorrhagic disease.. Yellow...
- Yellow Fever Vaccine
Yellow fever vaccine is a vaccine that protects against...
- Yellow Fever (Disambiguation)
Spanish colonists recorded an outbreak in 1648 on the Yucatán Peninsula of Mexico that may have been yellow fever. The illness was called xekik (black vomit) by the Maya . At least 25 major outbreaks followed in North America, such as in 1793 in Philadelphia, where several thousand people died, more than nine percent of the total population.
Key points. Yellow fever is caused by a virus primarily spread to people through the bite of infected mosquitoes. Yellow fever virus is maintained in the environment between mosquitoes and non-human primates, like monkeys. If infected, people can spread the virus to mosquitoes and rarely to other people though exposure to infected blood.
May 15, 2024 · 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. Illness ranges from a fever with aches and pains to severe liver disease with bleeding and yellowing skin and eyes (jaundice).
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.
May 17, 2021 · The yellow fever virus most likely originated in Africa and arrived in the Western Hemisphere in the 1600s as a result of slave trade. The mosquito vector was likely introduced to the U.S. via water barrels on trade ships arriving from countries with endemic yellow fever. The virus followed when slaves from areas with endemic disease arrived.
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.
