Viruses: Life Cycle and Disease · USMLE Step 1

A patient develops fever and rash after a trip to the Caribbean. RT-PCR confirms dengue virus. Which viral family does dengue belong to?

  1. Picornavirus
  2. Flavivirus
  3. Adenovirus
  4. Paramyxovirus
Show answer and explanation

Correct answer: Flavivirus

Dengue virus is a flavivirus, an enveloped, positive-sense RNA virus. It is transmitted by Aedes mosquitoes.

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