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The deadly disease Dengue symptoms, Diagnosis and Cause

Dengue is an old time virus generated fever. It is a febrile illness that affects infants, young children and adults. It is acute febrile diseases which occur in the tropics, can be life-threatening, and are caused by four closely related viruses. It is also known as break bone fever. It occurs widely in the South Asia, East Asia, South American and Africa region. Unlike malaria,dengue is just as prevalent in the urban districts of its range as in rural areas. Dengue is transmitted to humans by the bite of an Aedes mosquito which feed during the day time. This Aedes mosquito infected with any one of the fourdengue viruses. People infected with dengue can pass on the infection only through mosquitoes or blood products and only while they are still febrile. The classic dengue fever lasts about two to seven days, with a smaller peak of fever at the trailing end of the disease. Dengue also known by other names, including “breakbone” or “dandy fever.” Victims of dengue often have contortions due to the intense joint and muscle pain, hence the name breakbone fever.

Symptoms of Dengue
Dengue symptoms appear 3—14 days after the infective bite of an Aedes mosquito. The most common symptoms of Dengue are –

* Sudden onset of severe headache, muscle and joint pains.
* Fever
* Rash in all over the body.
* Drop of platelet count.
* Low white blood cell count.
* Bladder problem
* Constant headaches
* Eye pain
* Severe dizziness
* Loss of appetite.

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Diagnosis of Dengue
In these days diagnosis of dengue can be performed by the use of Rapid Diagnostic Test kits, which also differentiate between primary and secondary dengue infections. Serology and polymerase chain reaction (PCR) studies are available to confirm the diagnosis of dengue if clinically indicated. Dengue can be a life threatening fever.

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Causes of Dengue
Dengue fever is a disease caused by a family of viruses that are transmitted by mosquitoes. It mainly caused by Dengue virus (DENV), a mosquito-borne flavivirus. DENV is an ssRNA positive-strand virus of the family Flaviviridae; genus Flavivirus.
Dengue (pronounced DENG-gay) strikes people with low levels of immunity. Because it is caused by one of four serotypes of virus, it is possible to getdengue fever multiple times. However, an attack of dengue produces immunity for a lifetime to that particular serotype to which the patient was exposed.

The complete Dengue symptoms, Diagnosis and Cause

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