Search results
May 14, 2024 · Key points. Dengue viruses are usually spread to people through the bites of infected Aedes species mosquitoes. A person infected with dengue during pregnancy can pass the virus to their fetus. Rarely, dengue can be spread through other routes.
- Overview
- Symptoms
- Causes
- Risk Factors
- Complications
- Prevention
Dengue (DENG-gey) fever is a mosquito-borne illness that occurs in tropical and subtropical areas of the world. Mild dengue fever causes a high fever and flu-like symptoms. The severe form of dengue fever, also called dengue hemorrhagic fever, can cause serious bleeding, a sudden drop in blood pressure (shock) and death. Millions of cases of dengue...
Many people experience no signs or symptoms of a dengue infection. When symptoms do occur, they may be mistaken for other illnesses — such as the flu — and usually begin four to 10 days after you are bitten by an infected mosquito. Dengue fever causes a high fever — 104 F (40 C) — and any of the following signs and symptoms: 1. Headache 2. Muscle, ...
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. When a mosquito bites a person infected with a...
You have a greater risk of developing dengue fever or a more severe form of the disease if: 1. You live or travel in tropical areas.Being in tropical and subtropical areas increases your risk of exposure to the virus that causes dengue fever. Especially high-risk areas include Southeast Asia, the western Pacific islands, Latin America and Africa. 2...
Severe dengue fever can cause internal bleeding and organ damage. Blood pressure can drop to dangerous levels, causing shock. In some cases, severe dengue fever can lead to death. Women who get dengue fever during pregnancy may be able to spread the virus to the baby during childbirth. Additionally, babies of women who get dengue fever during pregn...
Vaccine
In areas of the world where dengue fever is common, one dengue fever vaccine (Dengvaxia) is approved for people ages 9 to 45 who have already had dengue fever at least once. The vaccine is given in three doses over the course of 12 months. The vaccine is approved only for people who have a documented history of dengue fever or who have had a blood test that shows previous infection with one of the dengue viruses — called seropositivity. In people who have not had dengue fever in the past (ser...
Prevent mosquito bites
The World Health Organization stresses that the vaccine is not an effective tool on its own to reduce dengue fever in areas where the illness is common. Preventing mosquito bites and controlling the mosquito population are still the main methods for preventing the spread of dengue fever. If you live in or travel to an area where dengue fever is common, these tips may help reduce your risk of mosquito bites: 1. Stay in air-conditioned or well-screened housing.The mosquitoes that carry the deng...
Jun 6, 2022 · How does dengue fever spread? Dengue is spread by Aedes mosquitos, which also carry viruses like Zika and chikungunya. The mosquitos bites someone with dengue fever and then bites someone else, causing them to become infected. Is dengue fever contagious? Dengue fever isn’t contagious directly from one person to another like the flu.
Apr 23, 2024 · Several factors are associated with the increasing risk of spread of the dengue epidemic: the changing distribution of the vectors (chiefly Aedes aegypti and Aedes albopictus mosquitoes), especially in previously dengue naïve countries; the consequences of El Niño phenomena in 2023 and climate change leading to increasing temperatures and ...
What causes dengue fever? Dengue fever is caused by a virus. A certain type of mosquito (Aedes) passes the virus to people through its bites. What are the symptoms of dengue fever? Dengue fever causes a severe flu-like illness. It may be look like other diseases such as the flu or malaria. The illness usually lasts three to seven days. Symptoms ...
Oct 24, 2019 · 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.
