Oct 2, 2023 · Dengue is found in tropical and sub-tropical climates worldwide, mostly in urban and semi-urban areas. While many dengue infections are asymptomatic or produce only mild illness, the virus can occasionally cause more severe cases, and even death. Prevention and control of dengue depend on vector control.

Oct 2, 2024 · Dengue is a vector-borne disease transmitted by the bite of an infected mosquito. There are 4 serotypes of the virus that cause dengue. These are known as DEN-1, DEN-2, DEN-3 and DEN-4. Most dengue infections are mild and may not get noticed. Severe dengue is a potentially lethal complication which can develop from dengue infections.

Oct 3, 2024 · Dengue is a mosquito-borne viral infection that is common in warm, tropical climates. Infection is caused by any one of four closely related dengue viruses (called serotypes) and these can lead to a wide spectrum of symptoms, including some which are extremely mild (unnoticeable) to those that may require medical intervention and hospitalization.

May 30, 2024 · Dengue is a mosquito-borne viral disease caused by the dengue virus, with the potential to cause a serious public health impact. Dengue infections are the most common vector-borne viral infections worldwide, particularly impacting tropical and subtropical countries. DENV has the potential to cause epidemics resulting in high morbidity and ...

Jun 2, 2022 · What is dengue fever and severe dengue? Dengue is a vector-borne disease transmitted by the bite of an infected mosquito. There are 4 serotypes of the virus that causes dengue. These are known as DEN-1, DEN-2, DEN-3, DEN-4. Severe dengue is a potentially lethal complication which can develop from dengue infections.

Dengue is a mosquito-borne viral disease that has rapidly spread in all regions of WHO in recent years. Dengue virus is transmitted by female mosquitoes mainly of the species Aedes aegypti and, to a lesser extent, Ae. albopictus. These mosquitoes are also vectors of chikungunya, yellow fever and Zika viruses. Dengue is widespread throughout the tropics, with local variations in …

Dec 21, 2023 · Dengue transmission is cyclic and large outbreaks every 3-4 years can be expected. During the COVID-19 pandemic we saw moderate transmission of dengue in some regions and low transmission in others leading to an accumulation of people without immunity to certain dengue virus serotypes. However, the data on the circulating dengue serotypes is ...

Jul 19, 2023 · Since the beginning of 2023, dengue outbreaks of significant magnitude have been recorded in the WHO Region of the Americas, with close to three million suspected and confirmed cases of dengue reported so far this year, surpassing the 2.8 million cases of dengue registered for the entire year of 2022. Of the total number of dengue cases reported until 1 July 2023 (2 …

May 28, 2018 · The virus is passed to humans through the bites of an infective female Aedes mosquito, which mainly acquires the virus while feeding on the blood of an infected person. The full life cycle of dengue fever virus involves the role of mosquitoes as a transmitter (or vector) and humans as the main victim and source of infection.

As of 20 November 2022, a total of 52 807 laboratory-confirmed dengue cases and 230 related deaths have been reported by the Ministry of Health & Family Welfare of Bangladesh since 1 January 2022 with a case fatality rate (CFR) of 0.44%. Dengue is endemic in Bangladesh however a surge of cases started in June 2022. Currently, all eight divisions in the country are …