Roseola is a topic covered in the 5-Minute Emergency Consult.

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Emergency Central

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Basics

Description

  • Exanthem subitum
  • Incubation period of 5–15 days
  • Mode of acquisition unknown:
    • Horizontal spread by oral shedding suggested
    • It is spread person to person but is not very contagious.
    • Human is the only host.
  • Pathophysiology:
    • Complex immune response (cytokines, antibody responses, T-cell reactivity)

Etiology

  • Human herpesvirus 6 (HHV-6):
    • Large, double-stranded DNA
    • Closely related to human cytomegalovirus
  • Peak incidence at 6–12 mo; 90% occurrence within 1st 2 yr
  • Highest incidence in late spring and early summer

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Citation

* When formatting your citation, note that all book, journal, and database titles should be italicized* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Roseola ID - 307425 Y1 - 2016 PB - 5-Minute Emergency Consult UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307425/all/Roseola ER -