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CDC recommends a 2-dose<\/span> vaccination series against MMR<\/span>1,2<\/sup><\/strong><\/h1><\/p>
<\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n\n\n\n\n<\/div>\n\n\n\n\nMeasles outbreaks can still occur within the US.<\/strong>3,4<\/strong><\/sup><\/h2><\/div>\n\n\n\n<\/div>\n\n\n\n~1 out of 10 children were unvaccinated against MMR by 24 months of age4,5,a<\/sup><\/strong><\/h2><\/div>\n\n\n\n<\/div>\n\n\n\na<\/sup>NIS-Child is a random-digit-dialed survey of households that included children aged 19\u201335 months. Parents or guardians completed a telephone survey and consent to contact the child\u2019s vaccination providers was requested. With parental or guardian consent, identified providers were mailed a questionnaire to obtain vaccination information, which was synthesized to create the child\u2019s comprehensive vaccination history. Children born during 2020\u20132021 were identified from data collected during 2021\u20132023, resulting in 28,688 children with adequate provider data for analysis.<\/p>\n\n\n\n<\/div>\n\n\n\nRemember to check for children and adolescents who are unvaccinated against measles, mumps, and rubella viruses<\/strong>3,4<\/strong><\/sup><\/h3><\/div>\n\n\n\n<\/div>\n\n\n\nThe CDC recommends that children complete a 2-dose vaccine series against MMR<\/span> viruses.1<\/sup><\/p>\n\n\n\n<\/div>\n\n\n\nM-M-R\u00ae<\/sup>II<\/sub><\/span> can be used for both doses<\/strong>1,6<\/strong><\/sup><\/p>\n\n\n\n<\/div>\n\n\n\n\n\n\n![\"\"](\"https:\/\/www.merckvaccines.com\/mmr\/wp-content\/uploads\/sites\/155\/2024\/03\/1.png\")
<\/figure><\/div><\/div>\n\n\n\n1st Dose<\/strong><\/p>\n\n\n\n<\/div>\n\n\n\n12-15 months of age<\/strong><\/p>\n<\/div>\n\n\n\n\n![\"\"](\"https:\/\/www.merckvaccines.com\/mmr\/wp-content\/uploads\/sites\/155\/2024\/03\/1.png?w=130\")
<\/figure><\/div><\/div>\n\n\n\n2nd Dosea<\/sup><\/strong><\/p>\n\n\n\n<\/div>\n\n\n\n4-6 years of age<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<\/div>\n\n\n\na<\/sup><\/strong>Second dose can be administered as early as 4 weeks after the first dose.1<\/sup><\/p>\n\n\n\n<\/div>\n\n\n\nNumber of measles cases reported by year3<\/sup><\/strong><\/h3><\/div>\n\n\n\n<\/div>\n\n\n\n2010-2025 (as of September 30, 2025)<\/p>\n\n\n\n
<\/div>\n\n\n\n![\"\"](\"https:\/\/www.merckvaccines.com\/mmr\/wp-content\/uploads\/sites\/155\/2025\/12\/CAT_MMRII_Number-of-Measles-Cases-Reported-by-Year_CHART_Sept30-2025@2x.png?w=1023\" "\\"\\"")
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<\/figure><\/div><\/div>\n\n\n\n<\/div>\n\n\n\nM-M-R\u00ae<\/sup>II<\/sub> <\/span>catch-up vaccination schedule<\/strong><\/h3><\/div>\n\n\n\n<\/div>\n\n\n\nFor children and adolescents who are unvaccinated against MMR viruses, the CDC recommends catch-up vaccination consisting of a 2-dose series with doses administered at least 4 weeks apart.1<\/sup><\/p>\n\n\n\n<\/div>\n\n\n\n\n
\n\n\n\n<\/div>\n\n\n\nM-M-R\u00ae<\/sup>II<\/sub><\/span>: Part of the MMRV Family<\/strong><\/h3><\/div>\n\n\n\n\n\n\nDiscover the MMRV Family<\/a><\/div>\n<\/div>\n\n\n\n<\/div>\n\n\n\n
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<\/picture><\/figure><\/div>Dosage and administration<\/mark><\/strong><\/h2>\nDiscover the dosing regimen and administration of M-M-R\u00ae<\/sup>II<\/sub><\/span>.<\/p>\n\n\n\n
Measles outbreaks can still occur within the US.<\/strong>3,4<\/strong><\/sup><\/h2><\/div>\n\n\n\n<\/div>\n\n\n\n~1 out of 10 children were unvaccinated against MMR by 24 months of age4,5,a<\/sup><\/strong><\/h2><\/div>\n\n\n\n<\/div>\n\n\n\na<\/sup>NIS-Child is a random-digit-dialed survey of households that included children aged 19\u201335 months. Parents or guardians completed a telephone survey and consent to contact the child\u2019s vaccination providers was requested. With parental or guardian consent, identified providers were mailed a questionnaire to obtain vaccination information, which was synthesized to create the child\u2019s comprehensive vaccination history. Children born during 2020\u20132021 were identified from data collected during 2021\u20132023, resulting in 28,688 children with adequate provider data for analysis.<\/p>\n\n\n\n<\/div>\n\n\n\nRemember to check for children and adolescents who are unvaccinated against measles, mumps, and rubella viruses<\/strong>3,4<\/strong><\/sup><\/h3><\/div>\n\n\n\n<\/div>\n\n\n\nThe CDC recommends that children complete a 2-dose vaccine series against MMR<\/span> viruses.1<\/sup><\/p>\n\n\n\n<\/div>\n\n\n\nM-M-R\u00ae<\/sup>II<\/sub><\/span> can be used for both doses<\/strong>1,6<\/strong><\/sup><\/p>\n\n\n\n<\/div>\n\n\n\n\n\n\n<\/figure><\/div><\/div>\n\n\n\n1st Dose<\/strong><\/p>\n\n\n\n<\/div>\n\n\n\n12-15 months of age<\/strong><\/p>\n<\/div>\n\n\n\n\n<\/figure><\/div><\/div>\n\n\n\n2nd Dosea<\/sup><\/strong><\/p>\n\n\n\n<\/div>\n\n\n\n4-6 years of age<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<\/div>\n\n\n\na<\/sup><\/strong>Second dose can be administered as early as 4 weeks after the first dose.1<\/sup><\/p>\n\n\n\n<\/div>\n\n\n\nNumber of measles cases reported by year3<\/sup><\/strong><\/h3><\/div>\n\n\n\n<\/div>\n\n\n\n2010-2025 (as of September 30, 2025)<\/p>\n\n\n\n
<\/div>\n\n\n\n<\/figure><\/div><\/div>\n\n\n\n<\/div>\n\n\n\nM-M-R\u00ae<\/sup>II<\/sub> <\/span>catch-up vaccination schedule<\/strong><\/h3><\/div>\n\n\n\n<\/div>\n\n\n\nFor children and adolescents who are unvaccinated against MMR viruses, the CDC recommends catch-up vaccination consisting of a 2-dose series with doses administered at least 4 weeks apart.1<\/sup><\/p>\n\n\n\n<\/div>\n\n\n\n\n
\n\n\n\n<\/div>\n\n\n\nM-M-R\u00ae<\/sup>II<\/sub><\/span>: Part of the MMRV Family<\/strong><\/h3><\/div>\n\n\n\n\n\n\nDiscover the MMRV Family<\/a><\/div>\n<\/div>\n\n\n\n<\/div>\n\n\n\n
\n\n\n\n<\/div>\n\n\n\n\n\n\n<\/picture><\/figure><\/div>Dosage and administration<\/mark><\/strong><\/h2>\nDiscover the dosing regimen and administration of M-M-R\u00ae<\/sup>II<\/sub><\/span>.<\/p>\n\n\n\n
~1 out of 10 children were unvaccinated against MMR by 24 months of age4,5,a<\/sup><\/strong><\/h2><\/div>\n\n\n\n<\/div>\n\n\n\na<\/sup>NIS-Child is a random-digit-dialed survey of households that included children aged 19\u201335 months. Parents or guardians completed a telephone survey and consent to contact the child\u2019s vaccination providers was requested. With parental or guardian consent, identified providers were mailed a questionnaire to obtain vaccination information, which was synthesized to create the child\u2019s comprehensive vaccination history. Children born during 2020\u20132021 were identified from data collected during 2021\u20132023, resulting in 28,688 children with adequate provider data for analysis.<\/p>\n\n\n\n<\/div>\n\n\n\nRemember to check for children and adolescents who are unvaccinated against measles, mumps, and rubella viruses<\/strong>3,4<\/strong><\/sup><\/h3><\/div>\n\n\n\n<\/div>\n\n\n\nThe CDC recommends that children complete a 2-dose vaccine series against MMR<\/span> viruses.1<\/sup><\/p>\n\n\n\n<\/div>\n\n\n\nM-M-R\u00ae<\/sup>II<\/sub><\/span> can be used for both doses<\/strong>1,6<\/strong><\/sup><\/p>\n\n\n\n<\/div>\n\n\n\n\n\n\n<\/figure><\/div><\/div>\n\n\n\n1st Dose<\/strong><\/p>\n\n\n\n<\/div>\n\n\n\n12-15 months of age<\/strong><\/p>\n<\/div>\n\n\n\n\n<\/figure><\/div><\/div>\n\n\n\n2nd Dosea<\/sup><\/strong><\/p>\n\n\n\n<\/div>\n\n\n\n4-6 years of age<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<\/div>\n\n\n\na<\/sup><\/strong>Second dose can be administered as early as 4 weeks after the first dose.1<\/sup><\/p>\n\n\n\n<\/div>\n\n\n\nNumber of measles cases reported by year3<\/sup><\/strong><\/h3><\/div>\n\n\n\n<\/div>\n\n\n\n2010-2025 (as of September 30, 2025)<\/p>\n\n\n\n
<\/div>\n\n\n\n<\/figure><\/div><\/div>\n\n\n\n<\/div>\n\n\n\nM-M-R\u00ae<\/sup>II<\/sub> <\/span>catch-up vaccination schedule<\/strong><\/h3><\/div>\n\n\n\n<\/div>\n\n\n\nFor children and adolescents who are unvaccinated against MMR viruses, the CDC recommends catch-up vaccination consisting of a 2-dose series with doses administered at least 4 weeks apart.1<\/sup><\/p>\n\n\n\n<\/div>\n\n\n\n\n
\n\n\n\n<\/div>\n\n\n\nM-M-R\u00ae<\/sup>II<\/sub><\/span>: Part of the MMRV Family<\/strong><\/h3><\/div>\n\n\n\n\n\n\nDiscover the MMRV Family<\/a><\/div>\n<\/div>\n\n\n\n<\/div>\n\n\n\n
\n\n\n\n<\/div>\n\n\n\n\n\n\n<\/picture><\/figure><\/div>Dosage and administration<\/mark><\/strong><\/h2>\nDiscover the dosing regimen and administration of M-M-R\u00ae<\/sup>II<\/sub><\/span>.<\/p>\n\n\n\n
a<\/sup>NIS-Child is a random-digit-dialed survey of households that included children aged 19\u201335 months. Parents or guardians completed a telephone survey and consent to contact the child\u2019s vaccination providers was requested. With parental or guardian consent, identified providers were mailed a questionnaire to obtain vaccination information, which was synthesized to create the child\u2019s comprehensive vaccination history. Children born during 2020\u20132021 were identified from data collected during 2021\u20132023, resulting in 28,688 children with adequate provider data for analysis.<\/p>\n\n\n\n The CDC recommends that children complete a 2-dose vaccine series against MMR<\/span> viruses.1<\/sup><\/p>\n\n\n\n M-M-R\u00ae<\/sup>II<\/sub><\/span> can be used for both doses<\/strong>1,6<\/strong><\/sup><\/p>\n\n\n\n 1st Dose<\/strong><\/p>\n\n\n\n 12-15 months of age<\/strong><\/p>\n<\/div>\n\n\n\n 2nd Dosea<\/sup><\/strong><\/p>\n\n\n\n 4-6 years of age<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n a<\/sup><\/strong>Second dose can be administered as early as 4 weeks after the first dose.1<\/sup><\/p>\n\n\n\n 2010-2025 (as of September 30, 2025)<\/p>\n\n\n\n For children and adolescents who are unvaccinated against MMR viruses, the CDC recommends catch-up vaccination consisting of a 2-dose series with doses administered at least 4 weeks apart.1<\/sup><\/p>\n\n\n\n Discover the dosing regimen and administration of M-M-R\u00ae<\/sup>II<\/sub><\/span>.<\/p>\n\n\n\nRemember to check for children and adolescents who are unvaccinated against measles, mumps, and rubella viruses<\/strong>3,4<\/strong><\/sup><\/h3><\/div>\n\n\n\n
<\/figure><\/div><\/div>\n\n\n\n<\/figure><\/div><\/div>\n\n\n\nNumber of measles cases reported by year3<\/sup><\/strong><\/h3><\/div>\n\n\n\n
<\/figure><\/div><\/div>\n\n\n\nM-M-R\u00ae<\/sup>II<\/sub> <\/span>catch-up vaccination schedule<\/strong><\/h3><\/div>\n\n\n\n
\n\n\n\nM-M-R\u00ae<\/sup>II<\/sub><\/span>: Part of the MMRV Family<\/strong><\/h3><\/div>\n\n\n\n
\n\n\n\n<\/picture><\/figure><\/div>Dosage and administration<\/mark><\/strong><\/h2>
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