How is roseola infantum prevented?

Updated: Oct 09, 2020
  • Author: Christopher R Gorman, MD; Chief Editor: William D James, MD  more...
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Because seroconversion in the United States is nearly 100%, isolation is not indicated. The infection is spread through saliva in both the acute phase and the chronic phase.

No risk appears to be present to pregnant women exposed to roseola. Care must be taken to distinguish this from rubella. No reports of infection or complications following exposure exist. This is probably because of the nearly universal seroconversion and latent infection. No sequelae of intrauterine infection are known. Isolation is not indicated.

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