Strengthening human papillomavirus vaccination programs through multi-country peer learning: lessons from the CHIC initiative

Schematic of the structure, objectives, functions, and core components of the Coalition to Strengthen the HPV Immunization Community (CHIC) Initiative; NITAG – National Immunization Technical Advisory Group; EPI – Expanded Programme on Immunization; MOH – Ministry of Health; RITAGs – Regional Immunization Technical Advisory Groups; NGOs – Non-Governmental Organizations; WHO – World Health Organization; Gavi – Gavi, the Vaccine Alliance; UNICEF - United Nations Children’s Fund; HPV – Human Papillomavirus; FAQ – Frequently Asked Questions.