Consider the following statements:1. Dengue is a protozoan disease transmitted by mosquitoes.2. Retro-orbital pain is not a symptom of dengue.3. Skin rash and bleeding from nose and gums are some of the symptoms of dengue.Which of the statements given above is/are correct?
✓ Correct answer: b) 3 only
ExplanationStatement 1 is incorrect: Dengue is not caused by a protozoan but by the dengue virus (DENV), of the Flaviviridae family.The virus spreads through bites from infected Aedes mosquitoes, primarily Aedes aegypti and Aedes albopictus.Statement 2 is incorrect: Retro-orbital pain, which refers to pain behind the eyes, is a common symptom of dengue fever.Patients often experience severe headache accompanied by retro-orbital pain during the febrile phase of the illness.Statement 3 is correct Many dengue patients experience a skin rash, which usually appears a few days after the fever starts.Some people even develop a “white islands on a red sea” rash, where parts of the skin turn white amid the redness.Nosebleeds (epistaxis) and bleeding gums, are common in dengue patients particularly in severe forms like dengue hemorrhagic fever (DHF) or dengue shock syndrome (DSS).438
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