3 ms·
What booster? The CDC makes no mention of one[1], and my understanding has always been that the childhood course is lifetime. [1] https://www.cdc.gov/vaccines
by vonmoltke 8y ago
What booster? The CDC makes no mention of one[1], and my understanding has always been that the childhood course is lifetime.
[1] https://www.cdc.gov/vaccines/vpd/mmr/public/index.html https://www.cdc.gov/vaccines/vpd/mmr/public/index.html