⏰ when
When was the oral polio vaccine first licensed?
Quick Answer
The oral polio vaccine developed by Albert Sabin was first licensed in the United States in 1961. It was later used widely around the world.
The Full Story
Albert Sabin's oral polio vaccine was first licensed in the United States in 1961. It used weakened live poliovirus and could be taken by mouth, making mass immunization much easier than injection-based programs. The vaccine played a major role in reducing polio cases globally. Later, many countries switched partly or fully to inactivated polio vaccine as polio neared eradication.
Key Facts
1.1961: U.S. licensing of the oral polio vaccine
2.Developed by Albert Sabin
3.Taken by mouth instead of by injection
YouTube Angle
Suggested video title for this topic:
"The tiny sugar-cube vaccine that helped nearly wipe out polio."
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