A previously healthy 11 month old infant is brought to clinic for a rash that appeared this morning. For the previous 3 days he had a fever to 40 C but now seems playful and well. Examination shows a diffuse pink maculopapular eruption over the trunk. Which of the following is the most likely causal organism?

  1. A)Varicella zoster virus
  2. B)Measles virus
  3. C)Parvovirus B19
  4. D)Human herpesvirus 6GABARITO
  5. E)Rubella virus

Explicação

Human herpesvirus 6 is correct. Roseola classically causes several days of high fever followed by rash as the fever abruptly resolves. The well appearing infant after defervescence is the classic pattern. Ver explicação completa e trilha adaptativa →

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