Who gets yellow fever?
Yellow fever occurs only in the tropics. In South America sporadic infections occur almost exclusively in forestry and agricultural workers from occupational exposure in or near forests. In Africa, the virus is transmitted in three regions: In the moist savanna zones of West and Central Africa during the rainy season In urban locations and villages In jungle regions (not as often) How is yellow fever spread? Yellow fever is transmitted between humans by the bite of an infective mosquito. How soon after exposure do symptoms appear? Symptoms occur within 3-6 days after infection with the virus. How is yellow fever diagnosed? Yellow fever is diagnosed by isolating the yellow fever virus from tissues, blood, or other body fluid, or, for those persons who have not been vaccinated, by measuring specific antibodies in the blood. What is the treatment for yellow fever? There is no specific treatment for yellow fever, other than supportive care. How can yellow fever be prevented? There are two
