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Tropical diseases are diseases that are prevalent in or unique to tropical and subtropical regions. [1] The diseases are less prevalent in temperate climates , due in part to the occurrence of a cold season, which controls the insect population by forcing hibernation .
The disease principally affects extremely impoverished and malnourished children between 2 and 6 years old in tropical regions. Cases of noma have also been reported in malnourished or immunosuppressed adults, and in concentration camps during the second world war .
العربية; অসমীয়া; Azərbaycanca; বাংলা; Башҡортса; Беларуская; Беларуская (тарашкевіца)
Neglected tropical diseases (NTDs) have been identified by the World Health Organization (WHO) as 18 tropical diseases, affecting over a billion people worldwide, especially in developing countries. These diseases are heterogeneous, meaning originating outside the organism affected by the disease. NTDs are caused by parasites, viruses, and ...
Neglected tropical diseases are made up of bacterial, parasitic and viral infections that negatively impact the development of children, pregnancy and economic outcomes of developing countries. [ 8 ] Changes in population numbers, food distribution channels, poverty and health education programs contribute to the fluctuating epidemiological ...
Cutaneous leishmaniasis is endemic in all tropical and subtropical areas of the world. [20] The distribution of this disease is very tightly linked to geography, and villages even 15 miles apart can have very different rates of cutaneous leishmaniasis. [citation needed]
Yaws is a tropical infection of the skin, bones, and joints caused by the spirochete bacterium Treponema pallidum pertenue. [6] [7] The disease begins with a round, hard swelling of the skin, 2 to 5 cm (0.79 to 1.97 in) in diameter. [6]
Tropical ulcer, more commonly known as jungle rot, is a chronic ulcerative skin lesion thought to be caused by polymicrobial infection with a variety of microorganisms, including mycobacteria. It is common in tropical climates .