@siriharusha @ChrisMasterjohn reported annually since 2007 regardless of the number of actual polio cases" This article also addresses your question about follow-up. This children were given 30 to 40 doses of the polio vaccine and still ended up paralyze
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#OnThisDay day in 1955: The #Polio #vaccine announced to be 'safe and effective' Here are some papers on polio from our archive >SM 🧐 https://t.co/4UGY7mY9jC https://t.co/It3Xh4xXJl
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@eTweeetz @EMcCra2 @LaLaRueFrench75 @PergamIC @maiamajumder not proportional - independent https://t.co/n3NfzvNWbA
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Open Access: Support for children identified with acute flaccid paralysis under the Global Polio … http://t.co/R3JDgQOd #ppnews #polio