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Showing posts with the label outbreaks of yellow fever

History of Yellow Fever: From Epidemics to Vaccines

    Yellow fever is a viral disease that is transmitted by the Aedes aegypti mosquito. It can cause fever, muscle pain, headache, nausea, vomiting, and in some cases, severe bleeding, organ failure, and death. The name "yellow fever" comes from the jaundice that some patients develop as a result of liver damage. Yellow fever has a long and tragic history that spans continents and centuries. In this blog post, we will explore the origins, outbreaks, and discoveries of this deadly disease, as well as the current efforts to prevent and control it. Origins of yellow fever Scientists believe that yellow fever evolved in Africa around 3,000 years ago, where it circulated among primates and humans in the tropical forests. The virus belongs to the family Flaviviridae, which also includes dengue, Zika, and West Nile viruses. The Aedes aegypti mosquito, the main vector of yellow fever, is native to Africa but was introduced to the Americas in the 1600s through the transatlantic slave t