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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]
The 1853 yellow fever epidemic of the Gulf of Mexico and Caribbean islands resulted in thousands of fatalities. Over 9,000 people died of yellow fever in New Orleans alone, [1] around eight percent of the total population. [2] Many of the dead in New Orleans were recent Irish immigrants living in difficult conditions and without any acquired ...
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 ]
Stubbins Ffirth (1784–1820) [1] was an American trainee doctor notable for his unusual investigations into the cause of yellow fever.He theorized that the disease was not contagious, believing that the drop in cases during winter showed that it was more likely a result of the heat and stresses of the summer months.
The entire Mississippi River Valley from St. Louis south was affected, and tens of thousands fled the stricken cities of New Orleans, Vicksburg, and Memphis.The epidemic in the Lower Mississippi Valley also greatly affected trade in the region, with orders of steamboats to be tied up in order to reduce the amount of travel along the Mississippi River, railroad lines were halted, and all the ...
An Episode of Yellow Fever in Buenos Aires (1871), oil on canvas by Juan Manuel Blanes, National Museum of Visual Arts. By the end of February at total of 300 cases had been registered, and March began with over 40 deaths a day, rising to 100 by day 6. All were caused by the fever. By now, the plague was hitting the aristocratic neighbourhoods too.
[3] [4] It is likely that the refugees and ships carried the yellow fever virus and mosquitoes. Mosquito bites transmit the virus. Mosquitoes easily breed in small amounts of standing water. The medical community and others in 1793 did not understand the role of mosquitoes in the transmission of yellow fever, malaria, and other diseases. [5]
The first human virus to be identified was the yellow fever virus. [6] In 1881, Carlos Finlay (1833–1915), a Cuban physician, first conducted and published research that indicated that mosquitoes were carrying the cause of yellow fever, [7] a theory proved in 1900 by commission headed by Walter Reed (1851–1902).