68 years ago #Today (https://nitter.moomoo.me/search?q=%23Today), Jonas Salk's polio vaccine was declared safe and successful, Salk was hailed as a "miracle worker" and the day almost became a U.S. national holiday

\[read more: buff.ly/2Jjhkgt (https://buff.ly/2Jjhkgt)\]

https://nitter.moomoo.me/Rainmaker1973/status/1646033886583967744#m