Abstract
Dengue infection is a mosquito-borne arboviral infection. An important criterion to consider in the diagnosisof dengue infection is history of travel or residence in a dengue-endemic area within 2 weeks of the onsetof fever. The spectrum of dengue virus infection ranges from an asymptomatic or undifferentiated febrileillness to severe infection. Criteria for diagnosis of probable dengue include history of travel or residence ina dengue-endemic area, plus high grade fever of acute onset and two of the following signs and symptoms:nausea/vomiting, rash, severe aches and pains (also called ‘break bone fever’), positive tourniquet test,leukopenia, and any warning sign. Presence of any of the following warning signs–abdominal pain ortenderness, persistent vomiting, clinical fluid accumulation, mucosal bleeding, lethargy, restlessness, liverenlargement greater than 2 cm, and an increase in hematocrit concurrent with rapid decrease in plateletcount–will require strict observation and medical intervention.
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