MMR Vaccine Update: Efficacy, Risk Assessment, and ACIP’s Impact
MMR Vaccine Update: Efficacy, Risk Assessment, and ACIP’s Impact Two doses of the MMR vaccine provide 97% lifetime protection against measles. For most healthy adults with a complete two-dose vaccination history, additional doses are unnecessary. Exceptions include young adults in high-risk settings (e.g., college campuses, healthcare) lacking immunity evidence. They should receive two doses, 28 days apart. Other adults without immunity evidence (defined as documented vaccination, lab-confirmed disease, lab evidence of immunity, or birth before 1957) should consult their physician…