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Dengue Fever
Dengue is a acute viral disease caused by dengue virus, transmitted by the mosquito Aedes albopictus which breed in standing water in containers and unused objects. Dengue is caused by four serotypes of dengue virus : DEN-1, DEN-2, DEN-3 and DEN-4, closely related serotypes of the genus Flavivirus , family Flaviviridae . This disease is more common in children, adolescents and young adults. It is characterized by fever of sudden onset that lasts 3 to 7 days accompanied by headache , joints and muscles. A variety of potentially deadly dengue fever is dengue presents with severe bleeding or fluid loss or severe organ damage that can lead to death. It's the same disease with different manifestations, predominantly transmitted by the tropical and subtropical areas ( Africa , northern Australia , South America , Central America and Mexico ), although since the first decade of the century XXI epidemic cases have been reported elsewhere in North America and Europe .
History
The origin of the term Dengue is not entirely clear. One theory is that the phrase derives from the language Swahili : "Ka-Dinga pepo", describing the disease as caused by a ghost . But perhaps the Swahili word "ding" may come from the Castilian "dengue" for fussy or carefully, describing the suffering of a patient with bone pain typical of dengue. The first record of a potential case of dengue fever comes from a Chinese medical encyclopedia from the Jin Dynasty of 265 to 420 . That reference associates "poison water" with the flight of insects. The first definitive case report in 1789 and is attributed to Benjamin Rush , who coined the term "break-bone fever" because the symptoms of myalgia and arthralgia . The etiology viral transmission by mosquitoes were only deciphered in the s. XX . And population movements during World War II spread the disease globally at the level of pandemic.
Is dengue a virus? Yes, The first epidemics occurred almost simultaneously in Asia , Africa and North America in 1781 . The disease was identified and named as such in 1779. A pandemic began in Southeast World Asia in 1950 and 1975 by dengue hemorrhagic fever, which has become one of the leading causes of death among children in various countries in that region. The dengy fever epidemic has become more common since the 1980s. In early 2000, dengi fever has become the second most common disease transmitted by mosquitoes and affecting humans after malaria,. Currently there are about 40 million cases of dengue and hundreds of thousands of cases of dengue hemorrhagic fever each year. There was a serious outbreak in Rio de Janeiro in February 2002 affecting around one million people and killing sixteen.
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