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Humans are reservoirs for dengue, so in order to have widespread transmission, enough people must be infected for the mosquitoes to reliably bite someone with the virus so that they can spread it ...
The symptoms experienced by those infected with dengue can vary widely: up to 80% of dengue cases are asymptomatic, and while some infections may trigger only flu-like symptoms, more serious cases ...
Dengue can be fatal. [52] [53] Dengue fever is spread by the bite of the female mosquito known as Aedes aegypti. The female mosquito is a highly effective vector of this disease. [54] The evidence for the spread of dengue fever is that climate change is altering the geographic range and seasonality of the mosquito that can carry dengue.
Experts say that the climate is ideal for mosquitoes that can carry the virus to reproduce and continue to spread dengue. Dengue affects about 400 million people annually. Here’s what to know ...
Computer simulations of infectious disease spread have been used. [33] Human aggregation can drive transmission, seasonal variation and outbreaks of infectious diseases, such as the annual start of school, bootcamp, the annual Hajj etc. Most recently, data from cell phones have been shown to be able to capture population movements well enough ...
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. [57] The recent spread of Dengue can also be attributed to rapid population growth, increased coagulation in urban areas, and global travel.
The CDC issued an advisory warning doctors and public health authorities to be vigilant as cases of dengue fever rise globally. Dengue is transmitted by the Aedes mosquito, and there is no cure.
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]