@overholt well, that's me right there..
"individuals vaccinated between 1963 and 1967 may have received a less effective, inactivated (killed) version of the measles vaccine. Anyone who received the inactivated vaccine or is unsure of the type they received should get one to two doses of the MMR vaccine,"
Some adults may need a measles booster shot. Who should get one and why? - Harvard Health
Measles vaccines have improved over the years. With the recent measles outbreaks, some adults may benefit from a measles booster shot. Learn who should get one, why it matters, and how to stay protected.
Harvard Health (www.health.harvard.edu)