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10 FAQs on MMR and Measles Protection

Boosters, waning immunity, checking titers, infection induced immunity, and more

Katelyn Jetelina's avatar
Katelyn Jetelina
Mar 14, 2025
∙ Paid

With measles cases rising across the country, I’ve been getting a lot of questions (especially after that Hannity interview yesterday)! Here are your top 10 answered.

TL;DR: MMR vaccines are highly effective and provide long-lasting protection. Outbreaks occur mainly among unvaccinated individuals.

1. What is “up-to-date” on the measles vaccine? Do I need…

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