"Experiment" "Group" "Population" "Paralytic" "NonParalytic" "FalseReports" "RandomizedControl" "Vaccinated" 200745 33 24 25 "RandomizedControl" "Placebo" 201229 115 27 20 "RandomizedControl" "NotInoculated" 338778 121 36 25 "RandomizedControl" "IncompleteVaccinations" 8484 1 1 0 "ObservedControl" "Vaccinated" 221998 38 18 20 "ObservedControl" "Controls" 725173 330 61 48 "ObservedControl" "Grade2NotInoculated" 123605 43 11 12 "ObservedControl" "IncompleteVaccinations" 9904 4 0 0