Figure 1From: Seroprevalence of Human Papillomavirus Types 6, 11, 16 and 18 in Chinese Women Seropositivity of anti-HPV 16, 18, 6, 11, 16 or 18, 6 or 11, and any of four types in sexually active women (n = 4211), virgins (n = 520) and total women (n = 4731) from five geographic areas in China.Back to article page