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Cases of dengue fever “are likely to increase as global temperatures increase” as the result of climate change as it expands the range for mosquitoes, the CDC warned. About one in four people ...
Dengue is caused by four different but related viruses (DENV-1, -2, -3, and -4), or serotypes, which co-circulate and can infect a person at the same or different times. Symptoms begin within ...
Most people recover within a week or so. In about 5% of cases, symptoms worsen and can become life-threatening. This is called severe dengue (formerly called dengue hemorrhagic fever or dengue shock syndrome). [21] [23] Severe dengue can lead to shock, internal bleeding, organ failure and even death. [24]
After a female mosquito bites a person infected with the dengue virus, there's an incubation period of eight to 12 days. After that time, the mosquito can transmit the virus for the rest of their ...
Dengue is typically spread through infected female Aedes aegypti (Egyptian tiger) mosquitoes that thrive in stagnant water, passing from one person to another through mosquito bites. The disease ...
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]
Other person-to-person modes of transmission have also been reported, but are very unusual. [9] The genetic variation in dengue viruses is region specific, suggestive that establishment into new territories is relatively infrequent, despite dengue emerging in new regions in recent decades.
If people are infected for a second, third or fourth time, they may develop severe dengue fever. Severe dengue can lead to shock, severe bleeding and severe organ impairment, the public health ...