BCU	Big Catch-Up
CAR	Central African Republic
CHW	Community Health Worker
CoP	Community of Practice
COGES	Management Committee
CSV	French acronym for Vaccination Monitoring Committee
DHIS2	District Health Information Software 2
DTP1/DTP3	Diphtheria–Tetanus–Pertussis 1/3 (first/third dose)
DRC	Democratic Republic of the Congo
VCS	Vaccination Coverage Survey
EPI	Expanded Program on Immunization
GAVI	Global Alliance for Vaccines and Immunization, The Vaccine Alliance
HFH	Health Facility Head
HPFP	Health Promotion Focal Point
IA2030	Immunization Agenda 2030
IDI	In-Depth Interviews
IFP	Immunization Focal Point
MR1/MR2	Measles-Rubella 1/2 (first/second dose)
Penta1/Penta3	Pentavalent vaccine 1/3 (first/third dose)
PHD	Prefectural Health Director
PIRI	Periodic Intensification of Routine Immunization
RE-AIM	Reach, Effectiveness, Adoption, Implementation, Maintenance