Who developed the first successful polio vaccine in the 20th century? 🔊
The first successful polio vaccine in the 20th century was developed by Jonas Salk. His vaccine was introduced in 1955 after extensive testing and proved highly effective in preventing poliomyelitis. Salk's innovative approach was a major breakthrough in public health, significantly reducing polio incidence worldwide. Salk chose not to patent the vaccine, prioritizing public health over personal profit, which allowed for widespread distribution and accessibility. His work has had a lasting impact on virology and vaccination practices today.
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