Search results
Results from the WOW.Com Content Network
Yellow fever is caused by yellow fever virus (YFV), an enveloped RNA virus 40–50 nm in width, the type species and namesake of the family Flaviviridae. [10] It was the first illness shown to be transmissible by filtered human serum and transmitted by mosquitoes, by American doctor Walter Reed around 1900. [32]
The yellow fever epidemic occurred during late 1870, beginning in August to the end of the year. There were a total of 1235 deaths; 468 women and 767 men. [ 1 ] The epidemic ended due to the city following hygienic measures and the mosquitoes not surviving Barcelona's cold weather conditions in December 1870. [ 1 ]
These countries or territories have been designated by the World Health Organization (WHO) as 'countries with risk of yellow fever transmission', or 'risk countries' for short. For France, it only applies to its overseas department of French Guiana; for Argentina, it only applies to its provinces of Misiones and Corrientes; for Trinidad and ...
The yellow fever vaccine, which has been available for 80 years, isn’t part of standard immunizations in the U.S. and is mainly administered when people are traveling to a place that has active ...
The outbreak of yellow fever in Barcelona in 1821. The evolutionary origins of yellow fever are most likely African. [1] [2] Phylogenetic analyses indicate that the virus originated from East or Central Africa, with transmission between primates and humans, and spread from there to West Africa. [3]
Louis-Daniel Beauperthuy (25 August 1808 [nb 1] – 3 September 1871) was a French physician who made important contributions to the study of the causes of infectious diseases such as yellow fever, malaria, cholera and leprosy. [3] He was the first in Europe to systematically argue that malaria and yellow fever were transmitted by mosquitos. [4]
Yellow fever is a relative of the dengue and Zika viruses but is far deadlier. Most people don't even know they are infected, but 15 percent can develop serious illness and as many as 60 percent ...
Finlay's work, carried out during the 1870s, finally came to prominence in 1900. He was the first to theorize, in 1881, that a mosquito was a carrier, now known as a disease vector, of the organism causing yellow fever: a mosquito that bites a victim of the disease could subsequently bite and thereby infect a healthy person. [4]