https://www.cdc.gov/vaccinesafety/updates/archive/polio_and_cancer_factsheet.htm
CDC has deleted it a couple of days later, but you can find it still here:
https://webcache.googleusercontent.com/search?q=cache:8pUR6KX_Vq8J:www.cdc.gov/vaccinesafety/updates/archive/polio_and_cancer_factsheet.htm+cdc+polio+cancer+fact+sheet&cd=2&hl=en&ct=clnk&gl=ca
Go back to: Vaccination – A Controversial Medical Science Topic