Yellow fever in Buenos Aires the mosquito "Aedes aegypti", which was responsible of transmitting Yellow Fever. A witness to the epidemic of 1871, named Mardoqueo Navarro, wrote on April 13 the following description in his diary: Since 1881, thanks to Cuban physician Carlos Finlay, it was known that the transmitting agent of Yellow Fever was mosquito "Aedes aegypti". Before that discovery, doctors attributed the cause of many epidemics to what they called "miasmas" floating in the air. Yellow Fever (or "black vomit", as it was called due to bleeding that occurs in the gastrointestinal) caused an epidemic in Buenos Aires in 1852. However, by a
Yellow fever and vaccination is uncommon, early diagnosis of cases and immunization of large parts of the population are important to prevent outbreaks. Once infected, management is symptomatic with no specific measures effective against the virus. Death occurs in up to half of those who get severe disease. In 2013, yellow fever resulted in about 127,000 severe infections and 45,000 deaths, with nearly 90% of these occurring in African nations. Nearly a billion people live in an area of the world where the disease is common. It is common in tropical areas of the continents of South America and Africa, but not