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  • Administering Vaccines
  • Vaccine Administration Errors
  • Combination Vaccines
  • MMRV (ProQuad, Merck)
  • MMR (Measles, Mumps, and Rubella)
  • Administering Vaccines

MMRV (ProQuad, Merck) was mistakenly given to a 31-year-old instead of MMR. Can this be considered a valid dose?

Yes, however, this issue is not addressed in the 2010 MMRV ACIP recommendations. Although this is off-label use, CDC recommends that when a dose of MMRV is inadvertently given to a patient age 13 years and older, it may be counted towards completion of the MMR and varicella vaccine series and does not need to be repeated.

Last reviewed: July 15, 2023

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