Norma Erickson: Both groups showed less than 1% cervical abnormalities – which is statistically accurate across the board.
“This data … shows a reduction in the number of very young woman with high grade cervical lesions diagnosed since the vaccine program started,” said Julia Brotherton, an epidemiologist with the Victorian Cytology Service Registries and lead author of the paper.
“In conjunction with the data from our colleagues in the sexual health field, who have already demonstrated a significant reduction in the occurrence of genital warts since the vaccine program started, we are optimistic that this is an indication that the vaccine program is already beginning to have an impact.”
The vaccine appeared, however, to have much less impact on older women.
The study, which took place in Victoria state in Australia, was conducted independently without any corporate funding.
Australia introduced an HPV vaccination program to fight HPV strains 6, 11, 16 and 18 for all women aged 12-26 years between 2007 and 2009.