How long are patients with parvovirus B19 (B19V) infectious?

Updated: Oct 11, 2019
  • Author: David J Cennimo, MD, FAAP, FACP, AAHIVS; Chief Editor: Russell W Steele, MD  more...
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Patients with a resolved aplastic crisis or with a rash are no longer infectious.

Patients are no longer infectious after other symptoms resolve (usually by day 7 of illness). Thus, patients with a classic parvovirus B19 rash may return to school or daycare. [43, 9]

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