With not much in the way of vaccines until the 1960’s, I am shocked that our population did not go to zero. Shocked, I tell you.
With not much in the way of vaccines until the 1960’s, I am shocked that our population did not go to zero. Shocked, I tell you.
Yes, life was so much better when families needed to have as many children as possible in the hope at least some would run the smallpox, polio, diphtheria, mumps, measles, rubella, and other childhood maladies gauntlet to adulthood.