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Dengue virus (DENV) is the cause of dengue fever.It is a mosquito-borne, single positive-stranded RNA virus of the family Flaviviridae; genus Flavivirus. [1] [2] Four serotypes of the virus have been found, and a reported fifth has yet to be confirmed, [3] [4] [5] all of which can cause the full spectrum of disease. [1]
2004 Indonesia dengue epidemic 2004 Indonesia: Dengue fever: 658 [236] 2004 Sudan Ebola outbreak 2004 Sudan: Ebola: 7 [237] 2004–2005 Angola Marburg virus outbreak 2004–2005 Angola: Marburg virus: 227 [229] 2005 dengue outbreak in Singapore: 2005 Singapore: Dengue fever: 27 [238] 2006 Luanda cholera epidemic 2006 Luanda, Angola: Cholera ...
Positive-strand RNA virus genomes usually contain relatively few genes, usually between three and ten, including an RNA-dependent RNA polymerase. [4] Coronaviruses have the largest known RNA genomes, between 27 and 32 kilobases in length, and likely possess replication proofreading mechanisms in the form of an exoribonuclease within nonstructural protein nsp14.
The mosquito-borne virus has a long history in warm climates but is now also emerging in regions where it had been generally unheard of—such as in Europe and parts of the U.S.
The origins of viruses are unclear: some may have evolved from plasmids, others from bacteria. Viruses are sometimes considered to be a life form, because they carry genetic material, reproduce and evolve through natural selection. However they lack key characteristics (such as cell structure) that are generally considered necessary to count as ...
Notable human diseases caused by RNA viruses include influenza, SARS, MERS, COVID-19, Dengue virus, hepatitis C, hepatitis E, West Nile fever, Ebola virus disease, rabies, polio, mumps, and measles. All known RNA viruses, that is viruses that use a homologous RNA-dependent polymerase for replication, are categorized by the International ...
The dengue virus causes symptoms including fever, headache, pain behind the eyes, muscle and joint pain, rash and bleeding. Severe cases can involve organ impairment, shock and severe bleeding.
Main symptoms of Dengue fever. To discuss image, instead see Talk:Human body diagrams: Date: 16 January 2011: Source: All used images are in public domain; references are found in Wikipedia article at Wikipedia:Dangue fever. Author: Mikael Häggström: Other versions