Jonas Salk first tested his experimental killed-virus polio vaccine on himself and his family in 1953 and a year later on 1.6 million children in Canada, Finland, and the USA. The results were announced on April 12, 1955, and Salk's inactivated polio vaccine (IPV) was licensed on the same day. My family received the Sabin vaccine voluntarily in 1962 by letting a pink sugar cube dissolve in our mouths twice at a public high school in San Francisco. There were lists, but I do not recall penalties. Voluntariness is an American thing, or was. https://www.history.com/this-day-in-history/polio-vaccine-trials-begin Adobe stock
1 Comment
Laura
4/3/2024 04:17:05 pm
I received both types of polio vaccines as a child. I remember seeing magazine photos of kids in Iron Lungs. My father-in-law was crippled in one leg from childhood polio.
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