| Immunization knowledge | Number of graduates who could correctly explain (N = 29) | Percentage |
| Contraindication of immunization | 15 | 51 |
| Missed opportunity for immunization | 21 | 72 |
| Trivalent OPV to bivalent OPV switch | 11 | 38 |
| Difference between OPV and inactivated polio vaccine (IPV) | 11 | 38 |
| Stages and interpretation of vaccine vial monitor (VVM) | 19 | 66 |
| Estimation of EPI target population | 8 | 28 |
| Calculation of coverage and dropout rates | 6 | 21 |
| Plotting coverage rates in the monitoring chart | 3 | 10 |