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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. Four serotypes of the virus have been found, and a reported fifth has yet to be confirmed, all of which can cause the full spectrum of disease.
The highest numbers of dengue cases were reported during the 20 week of 2017. Sri Lankan health authorities warned that the country was facing a dengue epidemic with at least 301 patients dead. [104]
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In 2017 Sri Lanka experienced its largest neglected tropical disease outbreak of dengue fever since the first recorded Sri Lankan case in 1962. This biological hazard, transmitted via female mosquito bites, caused 186,101 dengue cases, significantly higher than in previous years (table 2), and 440 deaths.
Apr 23, 2024 · Most people with dengue have mild or no symptoms and will get better in 1–2 weeks. Rarely, dengue can be severe and lead to death. If symptoms occur, they usually begin 4–10 days after infection and last for 2–7 days. Symptoms may include: high fever (40°C/104°F) severe headache. pain behind the eyes.
Apr 12, 2024 · So far in the first four months of 2024 alone, more than 4.6 million people in the Americas are estimated to have been infected with dengue fever, said Thais Dos Santos of Pan-American Health ...
- Laura Santhanam
30 Apr 2017. Origin. View original. Key facts. Dengue is a mosquito-borne viral infection. The infection causes flu-like illness, and occasionally develops into a potentially lethal...
Aug 7, 2023 · Factsheet. Translate this page. Dengue is a mosquito-borne viral disease widely spread in tropical and subtropical regions. The disease is transmitted by Aedes mosquitoes, which breed in a peri-domestic environment. While most of the clinical cases present a febrile illness, severe forms including haemorrhagic fevers and shock with fatalities ...
