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Modified Cates plot: Number of cases of CIN2+ irrespective of HPV types occurring in women who were all hrHPV DNA negative at baseline. 28 out of 1000 non‐vaccinated women developed the lesion (left) whereas 11 out 1000 vaccinated women developed the lesion (right). Relative risk= 0.37 (95% CI: 0.25 to 0.55).
