parvum serovars 1, 3, and 6 and HPV infection (OR 1.53, 95%CI 1.15−2.03; OR 1.31, 95%CI 1.06−1.64; OR 2.34, 95%CI 1.90−2.87); however, only participants with U. parvum serovar 6 showed an increased risk of CIN (OR 1.90, 95%CI 1.19−3.02). No substantial ...