Vaccines work.
Most of us are too young to remember the U.S. polio epidemic of 1952, which killed 3,145 children and left another 21,269 reeling from permanent, disabling paralysis.
I was only two years old at that time, but I remember the sugar cubes treated with oral vaccine that were distributed in our high school hallways in 1962.
I am also grateful for the team of scientists, led by Jonas Salk, who developed the first…



