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| | Yellow Fever - MSN Encarta |
 | | Yellow Fever, noncontagious, infectious disease, caused by a virus, and characterized in severe cases by high fever and jaundice. |
 | | Originally yellow fever was believed to be exclusively a disease of humans, but research has revealed that it also affects monkeys and other animals. |
 | | This second stage is marked by jaundice, hemorrhage from mucous membranes, vomiting of blood (the characteristic, so-called fl vomit of yellow fever), and fatty degeneration of the liver, kidneys, and heart. |
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