Immediately go to a local clinic or emergency room if you or a family member has any of the following symptoms. Skip directly to site content Skip directly to page options Skip directly to A-Z link. Section Navigation. Facebook Twitter LinkedIn Syndicate. The viruses jumped from monkeys to humans between and years ago , according to the CDC, but dengue remained a minor problem until the middle of the twentieth century.
Aedes aegypti originated in Africa, but nowadays it is found in tropical areas around the world, especially in and around areas of human population. The virus is transmitted from an infected mosquito to a human. A mosquito bites a person who is infected with the dengue virus, and the virus is passed on when the mosquito bites someone else. It it possible to have dengue fever more than once. A second infection carries a higher risk of developing a harsher form. Dengue fever is most common in subtropical and tropical areas, such as Central and South America, parts of Africa, parts of Asia, the Caribbean, and the Pacific.
Most cases of dengue among U. Virgin Islands, Samoa, and Guam, where the virus is endemic. Unlike malaria , dengue can happen in both urban areas and rural areas, but research published in suggested that it is more common in rural areas. The signs and symptoms of dengue fever are similar to some other diseases, such as typhoid fever and malaria. This can sometimes delay an accurate diagnosis. Anyone who lives in or travels to an at-risk area can use a number of ways to avoid being bitten.
Clothing : Reduce the amount of skin exposed by wearing long pants, long-sleeved shirts, and socks, tucking pant legs into shoes or socks, and wearing a hat. Mosquito repellents : Use a repellent with at least 10 percent concentration of diethyltoluamide DEET , or a higher concentration for longer lengths of exposure.
Avoid using DEET on young children. Mosquito traps and nets : Nets treated with insecticide are more effective, otherwise the mosquito can bite through the net if the person is standing next to it.
It's a good idea to speak to a GP, practice nurse or visit a travel clinic before travelling to get specific advice about what you can do to avoid dengue and other travel illnesses.
In rare cases dengue can be very serious and potentially life threatening. This is known as severe dengue or dengue haemorrhagic fever. People who've had dengue before are thought to be most at risk of severe dengue if they become infected again. It's very rare for travellers to get it. Page last reviewed: 08 August Next review due: 08 August Symptoms of dengue Symptoms of dengue usually develop suddenly, about 5 to 8 days after you become infected. Symptoms can include: a high temperature, or feeling hot or shivery a severe headache pain behind the eyes muscle and joint pain feeling or being sick a widespread red rash tummy pain and loss of appetite The symptoms normally pass after about 1 week, although you may feel tired and slightly unwell for several weeks afterwards.
In rare cases severe dengue can develop after the initial symptoms. When to get medical advice Call NHS or see your GP if you develop a fever or flu-like symptoms up to 2 weeks after visitng an area where the dengue virus is found. Remember to tell the nurse or doctor where you've been travelling. Treatment for dengue There's no cure or specific treatment for dengue. Virgin Islands Dengue fever is rare in the U.
Other names: dengue virus antibody, dengue virus by PCR. What is it used for? Why do I need a dengue fever test? What happens during a dengue fever test? Will I need to do anything to prepare for the test? You don't need any special preparations for a dengue fever test.
Are there any risks to the test? What do the results mean? Is there anything else I need to know about a dengue fever test? Wear long-sleeved shirts and pants. Use screens on windows and doors. Sleep under a mosquito net. To learn more about the vaccine, talk to your health care provider. Atlanta: U. Silver Spring MD : U. Department of Health and Human Services; First FDA-approved vaccine for the prevention of dengue disease in endemic regions; May 1 [cited Jul ]; [about 4 screens].
Washington D. Dengue Fever Testing; [updated Sep 27; cited Dec 2]; [about 2 screens]. Shock; [updated Nov 27; cited Dec 2]; [about 3 screens].
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