Dengue occurs year-round in Vietnam, with peak transmission in the warmer rainy season, April through October in the north and June through December in the south. Elevated risk occurs throughout the Red River Delta and Mekong Delta, and the coastal district and provincial capitals of central Vietnam.
How common is dengue fever in Vietnam?
Dengue infection in Viet Nam is unstable but peaks from June to October annually. Dengue morbidity per 100 000 population increased from 120 in 2009 (105 370 cases) to 194 in 2017(184 000 cases).
What countries can you get dengue fever?
Where is dengue fever a concern?
- Dengue fever is found throughout the world, but mainly occurs in tropical and subtropical areas.
- It is widespread in regions of Africa, Central and South America, the Caribbean, the Eastern Mediterranean, South and Southeast Asia, and Oceania.
25 окт. 2019 г.
Are mosquitos bad in Vietnam?
Tropical Illnesses — Most of the real “baddies” in Vietnam and Cambodia are tropical diseases carried by mosquitoes: the likes of malaria, dengue fever, and Japanese encephalitis. Quite simply, the best way to avoid mosquito-borne diseases is to avoid being bitten. … Dengue-fever mosquitoes bite during the day.
Where is dengue fever most commonly found?
People of all ages can get dengue fever if they are exposed to infected mosquitoes. The disease occurs mainly in tropical Asia and the Caribbean, usually during the rainy seasons in areas with high numbers of infected Aedes mosquito.
How many days does it take to recover from dengue?
Symptoms of dengue typically last 2–7 days. Most people will recover after about a week.
Who is most at risk for dengue?
Areas with Risk of Dengue
- Dengue outbreaks are occurring in many countries of the world in the Americas, Africa, the Middle East, Asia, and the Pacific Islands.
- Anyone who lives in or travels to an area with risk of dengue is at risk for infection.
What are the warning signs of dengue?
- Abdominal pain or tenderness.
- Persistent vomiting.
- Clinical fluid accumulation.
- Mucosal bleed.
- Lethargy or restlessness.
- Liver enlargement > 2 cm.
- Laboratory finding of increasing HCT concurrent with rapid decrease in platelet count.
Is there a vaccine for dengue fever?
A vaccine to prevent dengue (Dengvaxia®) is licensed and available in some countries for people ages 9-45 years old. The World Health Organization recommends that the vaccine only be given to persons with confirmed prior dengue virus infection.
Do I need a mosquito net in Vietnam?
No net necessary. … They’re usually not supplied if there’s at least a fan in the room.
Do you need shots to go to Vietnam?
For most short-term travellers the usual recommended vaccinations for Vietnam include cover against the childhood diseases (Tetanus and Diphtheria, Measles, Mumps and Rubella) as well as cover against the food and water borne diseases, including Typhoid and Hepatitis A.
Is Vietnam a malaria zone?
Malaria is a risk in some parts of Vietnam. If you are going to a risk area, fill your malaria prescription before you leave, and take enough with you for the entire length of your trip.
What is the first sign of dengue?
Primary symptoms of dengue appear three to 15 days after the mosquito bite and include high fever and severe headache, with severe pain behind the eyes that is apparent when trying to move the eyes. Other associated symptoms are joint pain, muscle and bone pain, rash, and mild bleeding.
How long does it take for symptoms of dengue fever to show?
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 bite of the infected mosquito. High Fever (40°C/ 104°F) is usually accompanied by at least two of the following symptoms: Headaches.
How does dengue rash look like?
Dengue fever begins with a sudden high fever, often as high as 105°F (40.5°C), 4 to 7 days after the infection. A flat, red rash may appear over most of the body 2 to 5 days after the fever starts. A second rash, which looks like the measles, appears later in the disease.