Table 1.

Summary of Recommendations for Individuals Without Detectable Measles, Mumps, and Rubella (MMR) Antibody (IgG) After the Original CDC Recommended MMR Vaccination2,4,710

VirusRecommendation for VaccinationRecommendation When Seroconversion OccursRecommendation When Seroconversion Does Not Occur
Measles2 documented doses of MMR*, at least 4 weeks apartN/ANo need for more dosage
Mumps2 documented doses of MMR*, at least 4 weeks apartN/A3rd dose only for high risk individuals during outbreaks
Rubella1 documented dose of MMR*N/A2nd or 3rd dose of MMR in pregnant women
  • * MMR is the only available vaccine containing measles, mumps, and rubella in the USA.

  • Data sharing is not applicable as no new data were generated or analyzed during this study.