Summary of Recommendations for Individuals Without Detectable Measles, Mumps, and Rubella (MMR) Antibody (IgG) After the Original CDC Recommended MMR Vaccination2,4,7–10
| Virus | Recommendation for Vaccination | Recommendation When Seroconversion Occurs | Recommendation When Seroconversion Does Not Occur |
|---|---|---|---|
| Measles | 2 documented doses of MMR*, at least 4 weeks apart | N/A | No need for more dosage |
| Mumps | 2 documented doses of MMR*, at least 4 weeks apart | N/A | 3rd dose only for high risk individuals during outbreaks |
| Rubella | 1 documented dose of MMR* | N/A | 2nd 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.