The+yellow+fever

Yellow fever was another of the cruel impact that the invasion of Europeans and Africans came in the indigenous population. This tragic enemy, like malaria , was accompanied by the mosquito transmitter that made ​​the trip go in water supplies brought by the Spanish ships on their long intercontinental trip. Yellow fever and black vomit ( also called the American Plague ) is an acute, infectious viral disease caused by " the yellow fever virus , which belongs to the family Flaviviridae , genus Flavivirus and Yellow . Is an important cause of hemorrhagic illness in many countries in Africa and South America , despite the existence of an effective vaccine. The yellow of the disease is referred to the signs of jaundice that affects some patients. It was transmited by the Aedes aegypti //.//  ====   Yellow fever has been a source of devastating epidemics in the past. Amerian soldiers were attacked by yellow fever during the descubrimieto of America , where more than half of the militia died because of disease . Each new outbreak was followed by thousands of deaths in the Western Hemisphere locations until research , including those with human volunteers (some of whom died ), led to the understanding of the mode of transmission to humans ( primarily by mosquitos ) and development of a vaccine , together with other preventive efforts at the beginning of the twentieth century. Despite the costly development of medical knowledge by Luis Daniel Beauperthuy Venezuelan, Cuban doctor Carlos Finlay and Walter Reed U.S. , along with many others in the past 100 years, several non - vaccinated population in many developing nations of Africa and South America , still at great risk. ====