| DCPEV | Directorate for the Coordination of the Expanded Programme of Immunization |
| EPI | Expanded Programme of Immunization |
| FGD | Focus Group Discussion |
| IA2030 | Immunization Agenda 2030 |
| II | individual interview |
| INSP | National Institute of Public Health |
| MSHPCMU | Ministry of Health, Public Hygiene and Universal Health Coverage |
| UHC | Universal Health Coverage |
| SD | Standard Deviation |