History and Headlines
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History Short: What is the Greatest Vaccine?
Posted
April 12, 2025
Views
50
Likes
6
Engagement
12.00%
April 12, 2025
50
6
12.00%
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1:00Now PlayingOn April 12, 1955, the Polio vaccine developed by Dr. Jonas Salk was declared safe and effective for use in the United States, ending the epidemic that killed or crippled mass numbers of children in the 19th and 20th Centuries.
The text narrated in this video is from the original article at
Author: Major Dan
Editor and Narrator: Dr. Zar
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