Dengue hemorrhagic fever

Because of the approximately 7-day viremia in humans, bloodborne transmission is possible through exposure to infected blood, organs, or other tissues such as bone marrow.

Dengue hemorrhagic fever


Dengue fever is a viral infection that can cause life-threatening illness, milder flu Dengue hemorrhagic fever illness, or no symptoms at all. In recent decades, the number of new cases of dengue has increased dramatically. There are four subtypes of dengue. Each can infect you only once, but they don't provide complete immunity, so you can still become infected by the other subtypes.

The risk for severe dengue increases with each infection. Dengue is spread by the same kind of mosquito that spreads the Zika virus and the virus that causes yellow fever.

Dengue hemorrhagic fever

What Causes Dengue Fever? The viruses that cause dengue fever are spread by mosquitoes of the species Aedes aegypti, and sometimes also by Aedes albopictus. Aedes mosquitoes are usually found in urban and suburban areas, as they like to breed in man-made containers like tires, flowerpots, and household water.

Dengue hemorrhagic fever

Aedes albopictus mosquitos have been transported to North America and Europe by Asian products like used tires and lucky bamboo. These mosquitos can survive subfreezing temperatures, which has allowed dengue to spread to cooler climates. Prevalence Beforeonly nine countries had experienced severe dengue epidemics.

Dengue Hemorrhagic Fever Data

Now, the disease is widespread endemic in more than countries worldwide. About half of the world's population is at risk for dengue infection.

An estimatedpeople with severe dengue require hospitalization each year. The mortality rate in this group is about 2. The island of Hawaii the "Big Island" was affected by an outbreak of dengue from September to Marchduring which cases were reported.

Dengue Fever Symptoms Symptoms of dengue fever typically develop between 3 and 14 days after a person is bitten by an infected mosquito. Headache and pain behind the eyes Severe muscle and joint pains the source of dengue's nickname, "breakbone fever" Extreme fatigue Rash appearing between the second and fifth day of fever Tendency to bleed from the skin or nose Bloody stools or heavy menstrual bleeding Nausea and vomiting Respiratory symptoms, such as a cough, sore throat, or nasal congestion These symptoms usually last for three to seven days, at which point the fever breaks.

After the fever breaks, people either start to get better or get much worse, developing severe dengue. According to World Health Organization WHO guidelines, any of the following symptoms are warning signs that may signal the development of severe dengue, often called dengue hemorrhagic fever DHF:Dengue Fever & Dengue Hemorrhagic Fever Data Page Note: Javascript is disabled or is not supported by your browser.

All content is viewable but it will not display as intended. Dengue fever is a mosquito-borne tropical disease caused by the dengue virus. Symptoms typically begin three to fourteen days after infection. This may include a high fever, headache, vomiting, muscle and joint pains, and a characteristic skin rash.

Start Here

Recovery generally takes two to seven days. In a small proportion of cases, the . Dengue Hemorrhagic Fever Information Including Symptoms, Diagnosis, Treatment, Causes, Videos, Forums, and local community support. Find answers to health issues you can trust from Skip navigation HG Logo and Link to Home.

Search Specialties, Conditions.

Dengue: MedlinePlus

From through , symptomatic dengue virus infections were classified according to the WHO guidelines as dengue fever, dengue hemorrhagic fever (DHF), and dengue shock syndrome (the most severe form of DHF). Dengue fever is a severe, flu-like illness that affects infants, young children and adults, but seldom causes death.

Dengue should be suspected when a high fever (40°C/°F) is accompanied by 2 of the following symptoms: severe headache, pain behind the eyes, muscle and joint pains, nausea, vomiting, swollen glands or rash. Dengue, Dengue virus, dengue hemorrhagic fever, dengue fever, flavivirus, Aedes mosquitoes, DHF, DF, DSS.

Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content. Start .

Dengue and Dengue Hemorrhagic Fever