Hi, I have had 2 MMR vaccines as an infant and am wondering if I need to make a doctor's appointment to check I am still immune? I thought that having 2 vaccinations protects you for life, but my cousin has recently needed 2 more injections as a blood test showed no immunity...a doctors appointment would tell me, so that's what I'm going to book, but I thought that having 2 jabs as an infant gives you the immunity and have been obsessing over Google on this. Any replies would be greatly appreciated thank you!