Did vaccines save humanity?

Vaccines didn’t save humanity. Their impact was somewhere between 1-3.5% of the total decline in mortality rates. Improvement in sanitation and standards of living really did (nutrition, living conditions, etc.). Did vaccines contribute to a small decrease of certain acute illnesses? Yes, but their relative benefit is often exaggerated to an extreme, and then used to browbeat, guilt, and scare parents.

Read full article here;
https://jbhandleyblog.com/home/2018/5/14/savehumanity

Did vaccines save humanity?