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Symptoms of Dengue Fever
Certain characteristics can be seen when one contracts dengue fever. One of them is flu like illness that affects all patients. In infants, fever seizure or a generalized convulsions caused by high body temperature (febrile illness) with rash may be present. In older children and adults, feverish facial flash is evident.
Classical symptoms of dengue fever are:
Dengue haemorrhagic fever is a more severe form of dengue. A second attack by the dengue virus of a different serotype from the first infection usually leads to this complication. Approximately 1% of patients with dengue infection progress to dengue haemorrhagic fever. The case fatality ratio is about 5 percent.
There are three phases of dengue haemorrhagic fever: