WHO世界卫生组织：2026年低黄热病疫苗接种率的根本原因分析：用户手册和问卷（英文版）

The Root cause analysis of low yellow fever vaccination coverage tool focuses on districts with insufficient routine immunization coverage. It includes a practical methodology and questionnaire to identify operational, policy, provider and community-related barriers to vaccination. The tool explores potential underlying causes such as inaccurate coverage estimates, missed sessions, stock-outs, workforce constraints, vaccine hesitancy and access barriers. It is designed to inform targeted reco