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Medical Dictionary

yellow fever


Medical Definition of YELLOW FEVER

:  an acute infectious disease of warm regions (as sub-Saharan Africa and tropical South America) marked by sudden onset, prostration, fever, and headache and sometimes albuminuria, jaundice, and hemorrhage and caused by a single-stranded RNA virus of the genus Flavivirus (species Yellow fever virus) transmitted especially by the yellow-fever mosquito—called also yellow jack
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