Table 2 Proportion of immunization knowledge gaps questioned/requested by caregivers in Kaduna state, 2014鈥�2016
| 听 | 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% |