Cambodia's Ministry of Health and National Immunization Programme launched a nationwide Human Papillomavirus vaccination campaign on 10 November 2026, according to UNICEF Cambodia. The multi-age cohort campaign vaccinates several age groups of adolescent girls at once and includes catch-up vaccination.

The campaign offers free HPV vaccination to girls aged 13–14 and catch-up vaccination to girls aged 10–12 who may have missed doses through the routine programme in 2023–2025, running alongside routine vaccination for 9-year-olds. Organizers planned two phases from November to December 2026, delivered through school-, community- and health facility-based approaches. UNICEF described cervical cancer as the second leading cancer among Cambodian women of all ages.

According to the release, Gavi committed more than USD 3 million to the campaign, which aims to protect more than 700,000 girls. The release said Gavi-supported efforts had protected 95 million girls in low- and middle-income countries, preventing an estimated 1.9 million future cervical cancer deaths. Health Minister Chheang Ra and WHO, UNICEF and CHAI representatives cited reaching out-of-school girls and those in hard-to-reach communities as a priority. WHO recommends vaccinating girls aged 9–14.