953 nut 64,838 #1 Posted February 23 February 23, 1954 First mass inoculation against polio with the Jonas Salk vaccine takes place at Arsenal Elementary School in Pittsburgh, Pennsylvania. 5 4 Share this post Link to post Share on other sites
pfrederi 20,128 #2 Posted February 24 Most people now do not remember how scary polio was. Still remember the pictures of people in Iron lungs 1 Share this post Link to post Share on other sites
