This is a scheduled post planned to be published at 1549305438000 at 1549305438000
Go to a cemetery. See all the baby graves there from before the 1950s & 1960s? 
Then, hardly any. 
That's when people started vaccinating their kids. If you are unsure, the answer is, literally, written in stone. 


Go to a cemetery. See all the baby graves there from before the 1950s & 1960s? Then, hardly any. That's when people started vaccinating their kids. If you are unsure, the answer is, literally, written in stone.
1549305438000 at 1549305438000