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In 2014, the World Health Organization reported 3,797 cases of Human African Trypanosomiasis when the predicted number of cases was to be 5,000. The number of total reported cases in 2014 is an 86% reduction to the total number of cases reported in 2000. [44] The disease has been recorded as occurring in 37 countries, all in sub-Saharan Africa.
The Black Death was a bubonic plague pandemic that occurred in Europe from 1346 to 1353. It was one of the most fatal pandemics in human history; as many as 50 million people [2] perished, perhaps 50% of Europe's 14th century population. [3] The disease is caused by the bacterium Yersinia pestis and spread by fleas and through the air.
For a given epidemic or pandemic, the average of its estimated death toll range is used for ranking. If the death toll averages of two or more epidemics or pandemics are equal, then the smaller the range, the higher the rank. For the historical records of major changes in the world population, see world population. [3]
Cattle can also act as a reservoir in areas where disease incidence is lower. [13] Trypanosoma brucei gambiense is the second type of protozoan which usually results in more chronic disease patterns. [15] Its main reservoir is the cattle populations. Although it is also fatal, death can take months or years to occur. [17]
Scabies (also sometimes known as the seven-year itch) is a contagious human skin infestation by the tiny (0.2–0.45 mm) mite Sarcoptes scabiei, variety hominis. The word is from Latin: scabere, lit. 'to scratch'. The most common symptoms are severe itchiness and a pimple -like rash. Occasionally, tiny burrows may appear on the skin. In a first-ever infection, the infected person usually ...
The efforts of the British South Africa Company to stamp out the disease using quarantines, trade bans, and extermination of healthy cattle that came into contact with suspicious herds was the primary cause of the Second Matabele War, in which the spiritual leader of the Northern Ndebele people (Matabele), Mlimo, incited the local population by ...
The history of malaria extends from its prehistoric origin as a zoonotic disease in the primates of Africa through to the 21st century. A widespread and potentially lethal human infectious disease, at its peak malaria infested every continent except Antarctica. [1]
According to the Centers for Disease Control and Prevention, as of 2017, about 20.9 million people were infected with onchocerciasis, and an estimated 1.15 million have some vision loss from the infection. [7] Most infections occur in sub-Saharan Africa, although cases have also been reported in Yemen and isolated areas of Central and South ...