2026. READINESS FOR CHILDHOOD PNEUMOCOCCAL VACCINATION WITHIN THE EXPANDED PROGRAMME ON IMMUNIZATION AMONG MOTHERS/CAREGIVERS OF CHILDREN AGED UNDER 1 YEAR IN SELECTED PROVINCES AND CITIES OF VIETNAM, 2026. Vietnam Journal of Community Medicine. 67, CD15 (Sept. 2026). DOI:https://doi.org/10.52163/yhc.v67iCD15.6677.