| BCG | Bacille Calmette–Guerin vaccine |
| BCZS | Bureau Central de la Zone de Santé (Headquarters for the Health Zones) |
| CAC | Cellules d’Animation Communautaire (Community Animation Cells, Community-based Organization) |
| CD | Chef de Division of the Division Provinciale de la Santé (Division Chief of the Provincial Health Division |
| CDC-Atlanta | Centers for Disease Control and Prevention-Atlanta, USA |
| CVC | Completely Vaccinated Children |
| DHS | Demographic and Health Survey |
| DPS | Division Provinciale de la Santé (Provincial Health Division) |
| DRC | Democratic Republic of the Congo |
| DTP | Diphtheria, Pertussis, and Tetanus combined vaccine |
| EPI | Expanded Programme on Immunization |
| GRID3-M4H | GRID3 Mapping for Health |
| GTS | Geospatial Tracking System |
| HA | Health Area |
| HZ | Health Zone |
| IPV | Inactivated Polio Vaccine |
| IT | Infirmier Titulaire (Registered Nurse at the Health Area Level, Nurse) |
| ITA | Infirmier Titulaire Adjoint (Assistant Registered Nurse at the Health Area Level, Nurse) |
| IVC | Incompletely Vaccinated Children |
| KSPH | Kinshasa School of Public Health |
| MCA | Medicin Chef de l’Antenne (Chief Medical Officer of the Antenne): |
| MICS | Multiple Indicator Cluster Survey |
| MCV | Measles-Containing Vaccine |
| MCZ | Medicin Chef de la Zone (Chief Medical Officer of the Health Zone): |
| NVC | Never-Vaccinated Children |
| ODK | Open Data Kit |
| OPV | Oral Polio Vaccine, Types 1 and 3 Containing |
| PCV | Pneumococcal 13-Valent Conjugate Vaccine |
| PENTA | Diphtheria, Tetanus, Pertussis, Hepatitis B, and Haemophilus influenzae type B-Containing Vaccine |
| PENTA1 | First Dose PENTA Vaccine |
| PENTA2 | Second Dose PENTA Vaccine |
| PENTA3 | Third Dose PENTA Vaccine |
| PIRI | Periodic Intensification of Routine Immunization |
| RECO | Relais Communautaires (Front Line Community Volunteers, Members of the CAC) |
| RI | Routine Immunization |
| ROTA | Rotavirus Vaccine |
| SIA | Supplementary Immunization Activity |
| SF | Supplemental Figure |
| ST | Supplemental Table |
| VAA | Vaccin Anti-Amaril (Yellow Fever Vaccine) |
| VAR | Vaccin Anti-Rougeoleux (Measles-Containing Vaccine) |
| YF | Yellow Fever Vaccine |