Parvovirus infection (fifth disease, erythema infectiosum)

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Parvovirus B19 is a virus that causes fifth disease (slapped cheek syndrome). Learn about the symptoms, causes and treatment of Parvovirus B19.

Key points

  • Parvovirus B19 infection is a viral infection that is usually mild.
  • People with blood disorders and pregnant women are at risk of complications.
  • Once the rash appears, the child is no longer contagious.
Last updated: September 2nd 2020