started getting in the mid to late 60's provided immunity.
Given the MMR will "help prevent the worst effects of coronavirus infection" and those under 50 are so much less likely to show symptoms, seems like a good working theory.
https://www.cnn.com/2020/06/19/health/mmr-vaccine-immunity-coronavirus/index.htmlEdited by tigerinhogtown at 13:11:27 on 07/27/20