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Disease Discoverer 2600 BC: Malaria [1] 1900 BC: Rabies: 1600 BC: Cancer: Hippocrates: ca 300: Dengue: Jin Dynasty (266–420) 9th century: Measles: Muhammad ibn Zakariya al-Razi: 14th century: African trypanosomiasis: First described by Arab traders [2] 1798: Color blindness: John Dalton: 1798: Amyotrophic lateral sclerosis: John Dalton: 1881 ...
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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 ...
This finding supports the evidence of the disease spreading to India by human migration routes from its origin in Africa. In 1874, the Missions to Lepers began to offer support to leprosy asylums that offered shelter to people affected by leprosy in India. Gradually, they instituted a policy of segregating males and females in the institutions ...
The history of syphilis has been well studied, but the exact origin of the disease remains unknown. [3] It appears to have originated in both Africa and America. [4] [5] As such, there are two primary hypotheses: one proposes that syphilis was carried to Europe from the Americas by the crew(s) of Christopher Columbus as a byproduct of the Columbian exchange, while the other proposes that ...
Sickle-cell disease, originating in people living in tropical areas where malaria is prevalent, is a hereditary blood disorder characterized by rigid, sickle-shaped red blood cells. The unusual shape and rigidity of these altered red blood cells reduces a cell's ability to effectively travel with regular blood flow, occasionally blocking veins ...
A recent serological survey showed that human infections by SIV are not rare in Central Africa: the percentage of people showing seroreactivity to antigens—evidence of current or past SIV infection—was 2.3% among the general population of Cameroon, 7.8% in villages where bushmeat is hunted or used, and 17.1% in the most exposed people of ...
Diseases such as yellow fever, sleeping sickness, yaws, and leprosy made Africa a very inhospitable place for Europeans. The deadliest disease was malaria, endemic throughout Tropical Africa. In 1854, the discovery of quinine and other medical innovations helped to make conquest and colonization in Africa possible. [99]: 269