Measles vaccine takes effect within weeks, also safeguards health of others

Dear Mayo Clinic: How long does it take to become immune from measles once one has gotten the measles vaccine? And given the current outbreak, would it be beneficial for me to get a booster vaccine even though I was vaccinated against measles as a child?

source https://www.lifetechnology.com/blogs/life-technology-news-blog/measles-vaccine-takes-effect-within-weeks-also-safeguards-health-of-others