[Sexually Transmitted Infections] Seroprevalence of 10 human papillomavirus types in the general rural population of Anyang, China: a cross-sectional study [中国安阳乡村人口10种人类乳头瘤病毒类型的血清阳性率：横截面研究]

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Authors
Chanyuan Zhang, Fangfang Liu, Qiuju Deng, Zhonghu He, Longfu Xi, Ying Liu, Yaqi Pan, Tao Ning, Chuanhai Guo, Ruiping Xu, Lixin Zhang, Hong Cai, Yang Ke
(Peking University Cancer Hospital & Institute)

Abstract
Objectives: Data on the seroprevalence of human papillomavirus (HPV) in China are limited. The objective of this study was to characterise the serological profiles of HPV infection in a rural Chinese population and help establish effective vaccine policy.

Methods: Serum antibodies against the major capsid protein L1 of 10 HPV types (HPV-3, 6, 11, 16, 18, 45, 52, 57, 58 and 75) were evaluated with Luminex-based multiplex serology in a population-based study of 5548 adults (including 1587 couples) aged 25–65 years enrolled from rural Anyang, China, in 2007–2009.

Results: The seroprevalence for any HPV type and any of the types HPV-6/11/16/18 was 64.8% and 34.4%, respectively. 30.3% of adults were seropositive for any mucosal high-risk (HR) HPV, and HPV-58 (10.6%), HPV-16 (9.7%) and HPV-18 (9.3%) were the three most common types. 24.8% of seropositive individuals were positive for multiple mucosal HR-HPV serotypes. Seroprevalence for most HPV types was similar among men and women. While mucosal low-risk HPV seropositivity was found to significantly decrease with age, the prevalence of antibodies to mucosal HR antigens showed a general trend of increase with age. The lifetime number of sex partners was independently associated with mucosal HR-HPV seropositivity. Positive correlation of spousal seropositivity was observed for mucosal HPV but not for cutaneous HPV.

Conclusions: HPV infection was common in both men and women in rural China. HPV seroprevalence differed significantly with age, sexual behaviour and spousal infection status. These findings will be useful for evaluating and establishing HPV vaccination programmes.

Sex Transm Infect 2015;91:506-509 doi:10.1136/sextrans-2014-051936