Anti-vaccine activists have always been violent. It’s just that today they have very big megaphones to transmit their violence.
Vaccines and medical technology go hand-in hand. We would not have one without the other.
A quick video from Biography.com on the life and achievements of Louis Pasteur.
An 1851 issue of the New York Daily Times (now The New York Times) shows much information about the health and society of the city in the 19th Century.
The cost of the influenza pandemic of 1918 to one life insurance company was over $70 million in today’s dollars. A severe influenza pandemic today would cost billions in losses to the US.