In the UK MMR has been a standard vaccination for children born from 1990 onwards -- those born in the 80s (so in their 30s) only got measles+rubella, and those

In the UK MMR has been a standard vaccination for children born from 1990 onwards -- those born in the 80s (so in their 30s) only got measles+rubella, and those in the 70's (so in their 40s) only got measles. No evidence of any difference in deadliness between age ranges in under 50s in UK excess deaths.