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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]
The borrowed term changed to dengue in Spanish due to this word existing in Spanish with the meaning "fastidiousness" and this folk etymology referring to the dislike of movement by affected patients. [4] [84] Slaves in the West Indies having contracted dengue were said to have the posture and gait of a dandy, and the disease was known as ...
Dengue is transmitted by several species of mosquito within the genus Aedes, principally A. aegypti. The virus has four different types; infection with one type usually gives lifelong immunity to that type, but only short-term immunity to the others. Subsequent infection with a different type increases the risk of severe complications.
There are four strains of dengue, all carried by the Aedes mosquito, which generally lives in tropical and subtropical regions. The hotter and wetter months of the year are typically when cases of ...
Dengue can be caused by dengue virus strains 1, 2, 3 or 4, with a person being infected multiple times over the course of their life, Duszynski told ABC News, so a vaccine may be able to help ...
Over the last twenty years, there has been a geographic spread of the disease. Dengue incidence rates have risen sharply within urban areas which have recently become endemic hot spots for the disease. [61] The recent spread of Dengue can also be attributed to rapid population growth, increased coagulation in urban areas, and global travel.
Dengue fever: Dengue virus: primates mosquito bite (primarily by Aedes aegypti and Aedes albopictus) The earliest detailed descriptions of dengue-like illness appeared in medical records from 1779 to 1780, but has had a significant re-emergence in recent years (see for example 2019–20 dengue fever epidemic). Dirofilariasis: Dirofilaria spp.
The Food and Drug Administration announced it was overhauling its berry safety strategy. Here's what to know, plus which are most likely to be contaminated.