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The Rockefeller Sanitary Commission in 1910 discovered that nearly half the farm people, white and Black, in the poorest parts of the South were infected with hookworms. In the typical victim hundreds of the worms live hooked to the wall inside the small intestine, eat the best food, and leave the victim weak and listless.
The disease killed an estimated 400,000 Europeans annually during the 19th century and one-third of all the blindness of that time was caused by smallpox. 20 to 60% of all the people that were infected died and 80% of all the children with the infection also died. It caused also many deaths in the 20th century, over 300–500 million.
This disease is thought to have been introduced into Colonial America from the Eastern Hemisphere, caused by a tropical parasite that was distributed throughout the moist soils of the southwest, from a Virginia to Illinois and down the Gulf of Mexico toward Texas. [28] The slaves were the carriers of the disease polluting the soil that they ...
George Washington by Charles Willson Peale, 1776.. The New World of the Western Hemisphere was devastated by the 1775–1782 North American smallpox epidemic.Estimates based on remnant settlements say at least 130,000 people were estimated to have died in the epidemic that started in 1775.
Widespread non-communicable diseases such as cardiovascular disease and cancer are not included. An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections , an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered ...
"DRAPETOMANIA --- A DISEASE CALLED FREEDOM: An Exhibition of 18th-, 19th- and Early 20th-Century Material Culture of the African Experience in the Americas from the Collection of Derrick Joshua Beard". Broward County, Florida, US: Broward County Library. Archived from the original on 15 February 2009. Dimuro, Gina (4 April 2018).
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The Mandan villages consisted of 12 to 100 lodges and were well organized with a hierarchy of leaders. In 1750, there were about nine large Mandan villages, however, by the start of the 1800s, the smallpox epidemic decreased the tribe to only two villages. By 1837, there were about 100 to 150 Mandan survivors. [3]