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Proportions of all women across the 4 study waves infected with any vaccine-type HPV, adjusted for propensity scores. HPV 9m4v, 5 additional HPV types only in 9-valent vaccine (HPV-31, -33, -45, -52, and -58); 4v HPV, 4-valent vaccine–type human papillomavirus; 9v HPV, 9-valent vaccine–type human papillomavirus.
