Young Pacific and Maori women are leading take-up rates for the vaccine that targets the strain of human papillomavirus responsible for most cervical cancers and genital warts.
Ministry of Health figures show that 70% of Pacific girls and 57% of Maori girls born between 1992 and 1996 have received the free publicly-funded vaccine.
That compares with the average of 52% of all girls in that age group.
Researchers at Auckland's Sexual Health Clinic report a 65% drop in the number of cases of young women with genital warts since the vaccine's introduction two years ago.
