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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.
Introduction. Viruses are tiny agents that can infect a variety of living organisms, including bacteria, plants, and animals. Like other viruses, the dengue virus is a microscopic structure...
Dengue virus is transmitted by the mosquito species Aedes aegypti, which produces saliva that contains over 100 unique proteins, including the protein family D7. Scientists used to believe that A. aegypti saliva, when being transmitted, actually enhanced dengue virus in the body.
- Dengue viruses are spread to people through the bite of an infected Aedes species (Ae. aegypti or Ae. albopictus) mosquito. These mosquitoes also spread Zika, chikungunya, and other viruses.
- Dengue is common in more than 100 countries around the world.
- Forty percent of the world’s population, about 3 billion people, live in areas with a risk of dengue. Dengue is often a leading cause of illness in areas with risk.
- Each year, up to 400 million people get infected with dengue. Approximately 100 million people get sick from infection, and 22,000 die from severe dengue.
Oct 10, 2018 · Dengue virus (DENV) is a mosquito-borne Flavivirus that is endemic in many tropical and sub-tropical countries where the transmission vectors Aedes spp. mosquitoes resides. There are four serotypes of the virus. Each serotype is antigenically different, meaning they elicit heterologous antibodies.
- Naoko Uno, Ted M. Ross
- 10.1038/s41426-018-0168-0
- 2018
- Emerg Microbes Infect. 2018; 7: 167.
Nov 14, 2019 · Climate change is considered to have amplified the distribution of Aedes aegypti, the vector responsible for transmitting dengue, chikungunya, yellow fever, zika virus and other arboviral diseases. Other factors including rapid unplanned urbanization, increased humidity, devolved vector control services and movement of people and goods have ...
Aug 18, 2016 · Nature Reviews Disease Primers - Infection with any one of the four dengue virus serotypes can cause disease that ranges from a mild febrile illness through to haemorrhagic fever and shock....
