Where does the disease get its colour name?
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From jaundice (yellowing)
Skin and eyes turn yellow.
💡 Did you know? The cause is liver damage.
10 questions · History
Yellow fever is a dangerous, mosquito-borne viral disease of the tropics and subtropics. It owes its name to the yellowing of skin and eyes, the jaundice that appears in severe cases when the virus damages the liver. The pathogen is spread mainly by the mosquito Aedes aegypti: the same species that also carries dengue and Zika viruses. Through the slave trade yellow fever reached the New World from Africa, where it caused devastating epidemics in the port cities of the Americas and made whole campaigns and construction projects fail. The work of the US doctor Walter Reed became famous; around 1900 in Cuba he proved that mosquitoes (and not bad air) transmit the disease. This insight first made it possible, through targeted mosquito control, to complete the building of the Panama Canal, where thousands had died before. Unlike with many other diseases, there is a highly effective vaccine against yellow fever that protects for life and is often required for travel to affected countries. Even so, the disease still claims tens of thousands of lives in Africa and South America today.
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From jaundice (yellowing)
Skin and eyes turn yellow.
💡 Did you know? The cause is liver damage.
A virus
The yellow fever virus is a flavivirus.
💡 Did you know? It is related to dengue and Zika.
The mosquito Aedes aegypti
The same mosquito also carries dengue and Zika.
💡 Did you know? It thrives near human settlements.
The liver
The liver damage causes the jaundice.
💡 Did you know? In severe cases several organs fail.
Walter Reed
The US army doctor ran experiments in Cuba.
💡 Did you know? His finding saved countless lives.
The Panama Canal
Only mosquito control made the building possible.
💡 Did you know? Thousands of workers had died before.
Yes
A single shot usually protects for life.
💡 Did you know? For some travel destinations it is compulsory.
The slave trade
With the ships came virus and mosquitoes from Africa.
💡 Did you know? Epidemics broke out in American port cities.
In Africa and South America
It stays limited to tropical areas.
💡 Did you know? The right mosquitoes live there.
Vomiting of blood
The Spanish called it „vómito negro“.
💡 Did you know? It signals a severe course.
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