When, where, and by whom were vaccines for polio developed? Which vaccine is most effective, and why?

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12-12-2018
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When, where, and by whom were vaccines for polio developed? Which vaccine is most effective, and why?

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5922003270 5922003270 · Answer 1 · 2018-12-12T19:03:46+01:00

5922003270 5922003270

12-12-2018

Jonas Salk. Jonas Edward Salk October 28, 1914 – June 23, 1995 was an American medical researcher and virologist. He discovered and developed one of the first successful polio vaccines. He discovered it in Pittsburgh

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