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Table 2 Proportion of immunization knowledge gaps questioned/requested by caregivers in Kaduna state, 2014–2016

From: Assessment of unmet needs to address noncompliant households during polio supplemental immunization activities in Kaduna state, 2014–2016

  2014 2015 2016 Average
Benefits of oral polio vaccine (OPV) 7% 8% 6% 7%
OPV safety 21% 22% 22% 22%
Risk of paralysis 1% 2% 3% 2%
Side effects of OPV 7% 10% 11% 9%
Why so many rounds 27% 25% 28% 27%
Why only OPV 20% 20% 19% 20%
None of the above/others 17% 13% 11% 14%