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Paralytic polio cases globally: Difference between the reported and the estimated true total number , World

All estimations are based on a correction factor model proposed by Tebbens et al. (2011). A full explanation of how we applied their methodology can be found at:
OurWorldInData.org/estimating-total-global-paralytic-polio-cases

19802016198519901995200020052010Estimated number of polio cases disregarding casespost-certificationReported number of polio casesEstimated number of polio cases using reported casespost-certificationEstimated number of polio cases

Source: WHO (2018) and Tebbens et al. (2011)

1980
2016

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