<p>The majority of children had received measles-containing vaccine 1 (97%, 87/90). Overall, 44% (39/89) of children were not up-to-date with their vaccines. The most common reason cited by parents/caregivers for missing vaccinations was vaccine stock-outs (84%, 31/39). Of the challenges experienced by parents/caregivers, 66% (59/90) fell into three categories: 1) perceived general lack of understanding of vaccine importance among caregivers, (23%, 21/90); 2) distance to clinics (23%, 21/90), and 3) vaccine stock-outs (19%, 17/90). Regarding pharmacist, nurse, and CHW interviews, the 42 respondents reported frequent vaccine stock-outs, inadequate transport for immunization campaigns, and cancellation of mobile clinic visits due to frequent vehicle withdrawal. Qualitative analysis of interviews with all the participants revealed that inconsistent delivery of health services had fostered a level of distrust of the health system.</p>