[Relationship between pre-exposure prophylaxis and HIV infection: a meta-analysis].

Objective: To evaluate the effect on pre-exposure prophylaxis (PrEP) to prevent HIV infection in high risk populations.

Methods: A computerized literature searching had been carried out in PubMed, EMbase, Ovid, Web of Science, Science Direct, Wanfang, Tsinghua Tongfang database and related websites to collect relevant papers (from establishment to June 2012) with the key words of pre-exposure prophylaxis, HIV, AIDS, high risk populations, relative risk, reduction. All randomized controlled trials (RCT) papers about using single or compound antiretroviral drugs (ARVs) orally or topically before HIV exposure or during HIV exposure in high risk populations were enrolled.

[Benefits of promoting male circumcision among the general population in the high HIV prevalence areas of Guangxi Province].

Objective: To evaluate the effect of promoting male circumcision among the general population in the high HIV prevalence areas of Guangxi Province.

Methods: We interviewed 590 male residents from Hezhou and Qinzhou areas of Guangxi Province and conducted intervention using male circumcision promotion materials and various methods. If the subjects were willing and had no contraindication, they were referred to the appointed hospitals to receive circumcision.

[Acceptability and influencing factors on pre-exposure prophylaxis programs among female sex workers in Guangxi, China].

Objective: To study the acceptability of pre-exposure prophylaxis (PrEP) program on prevention of human immunodeficiency virus (HIV) infection among female sex workers (FSWs) in Guangxi of China.

Methods: A cross-sectional survey using convenience sampling was administered among 405 FSWs in Nanning, Liuzhou and Beihai cities of Guangxi, China. Self-designed questionnaire, face to face interviews were used to collect HIV-related risk behaviors, knowledge and acceptability of PrEP.

[Acceptability and influencing factors of pre-exposure prophylaxis among men who have sex with men in Guangxi].

Objective: To study the acceptability of pre-exposure prophylaxis (PrEP) to prevent the transmission of HIV among men who have sex with men (MSM) in Guangxi, China.

Methods: Snow-balling methods were used to recruit 650 MSM in Guangxi. Questionnaires and interview were administrated to these 650 men, using a self-designed questionnaire and face to face interviews to collect information on HIV-related risk behaviors, knowledge and acceptability of PrEP.