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May 14, 2024 · Dengue viruses are spread to people through the bites of infected Aedes species mosquitoes (Ae. aegypti or Ae. albopictus). These are the same types of mosquitoes that spread Zika and chikungunya viruses. These mosquitoes typically lay eggs in containers that hold water, like buckets, bowls, animal dishes, flowerpots, and vases.
- Key Facts
- Overview
- Symptoms
- Diagnostics and Treatment
- Global Burden
- Transmission
- Risk Factors
- Prevention and Control
- Who Response
Dengue is a viral infection transmitted to humans through the bite of infected mosquitoes.About half of the world's population is now at risk of dengue with an estimated 100–400 million infections occurring each year.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.Dengue (break-bone fever) is a viral infection that spreads from mosquitoes to people. It is more common in tropical and subtropical climates. Most people who get dengue will not have symptoms. But for those who do, the most common symptoms are high fever, headache, body aches, nausea, and rash. Most will get better in 1–2 weeks. Some people develo...
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: 1. high fever (40°C/104°F) 2. severe headache 3. pain behind the eyes 4. muscle and joint pains 5. nausea 6. v...
There is no specific treatment for dengue. The focus is on treating pain symptoms. Most cases of dengue fever can be treated at home with pain medicine. Acetaminophen (paracetamol) is often used to control pain. Non-steroidal anti-inflammatory drugs like ibuprofen and aspirin are avoided as they can increase the risk of bleeding. For people with se...
The incidence of dengue has grown dramatically around the world in recent decades, with cases reported to WHO increasing from 505 430 cases in 2000 to 5.2 million in 2019. A vast majority of cases are asymptomatic or mild and self-managed, and hence the actual numbers of dengue cases are under-reported. Many cases are also misdiagnosed as other feb...
Transmission through the mosquito bite The dengue virus is transmitted to humans through the bites of infected female mosquitoes, primarily the Aedes aegypti mosquito. Other species within the Aedes genus can also act as vectors, but their contribution is normally secondary to Aedes aegypti. However, in 2023, a surge in local transmission of dengue...
Previous infection with DENV increases the risk of the individual developing severe dengue. Urbanization (especially unplanned), is associated with dengue transmission through multiple social and environmental factors: population density, human mobility, access to reliable water source, water storage practice etc. Community risks to dengue also dep...
The mosquitoes that spread dengue are active during the day. Lower the risk of getting dengue by protecting yourself from mosquito bites by using: 1. clothes that cover as much of your body as possible; 2. mosquito nets if sleeping during the day, ideally nets sprayed with insect repellent; 3. window screens; 4. mosquito repellents (containing DEET...
WHO responds to dengue in the following ways: 1. supports countries in the confirmation of outbreaks through its collaborating network of laboratories; 2. provides technical support and guidance to countries for the effective management of dengue outbreaks; 3. supports countries in improving their reporting systems and capture the true burden of th...
Oct 5, 2022 · Dengue fever is caused by any one of four types of dengue viruses. You can't get dengue fever from being around an infected person. Instead, dengue fever is spread through mosquito bites. The two types of mosquitoes that most often spread the dengue viruses are common both in and around human lodgings.
Oct 24, 2019 · Patients who are already infected with the dengue virus can transmit the infection via Aedes mosquitoes after the first symptoms appear (during 4-5 days; maximum 12). As a precautionary approach, patients can adopt measures to reduce transmission by sleeping under a treated net especially during the period of illness with fever.
- 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...
- Dengue is mainly transmitted by a mosquito ( Aedes aegypti ) and is distributed across all tropical countries. Ae. aegypti and other species such...
- Dengue fever Dengue causes flu-like symptoms and lasts for 2-7 days. Dengue fever usually occurs after an incubation period of 4-10 days after the...
- There is no vaccine or specific medication for dengue fever. Patients should seek medical advice, rest and drink plenty of fluids. Paracetamol can...
- If you suspect you have dengue you need to see a doctor immediately. To diagnose dengue fever, your doctor will: Evaluate your signs and symptoms;...
- Dengue is spread through the bite of the female mosquito ( Aedes aegypti ). The mosquito becomes infected when it takes the blood of a person infec...
- The mosquitoes thrive in areas close to human population (urban areas). The dengue mosquito lays its eggs in water-filled containers inside the...
- The best preventive measure for areas infested with Aedes mosquito is to eliminate the mosquitoes’ egg laying sites – called source reduction. Lo...
- Protecting yourself from mosquito bites is most effective by reducing exposed skin to mosquitoes to bite on. Long-sleeved clothing and mosquito rep...
Feb 16, 2024 · The primary transmitter of dengue fever is the Aedes aegypti mosquito, known to bite during both day and night. About 1 in 4 people infected with the virus will experience symptoms ranging from mild to severe. An infected Aedes aegypti mosquito can transmit several viruses including dengue fever. Symptoms of dengue fever.
The dengue virus is carried and spread by mosquitoes in the genus Aedes, which includes a number of mosquito species. Of these species, the primary vector of the dengue virus is the...
Apr 12, 2024 · When the insect bites an infected person and then feeds on someone else, it can spread the infection to that person. People cannot directly spread dengue to each other.
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related to: how do mosquitoes spread dengue flu virusHow Does RSV Put Older Adults & Adults With Underlying Conditions At Risk? Find Out Here. What is RSV? Usually A Common Virus With Mild Symptoms, It Can Cause Severe Infections.
