An overview of the relative risks of different sexual behaviours on HIV transmission

被引：49
作者：
Dosekun, Olamide [1 ]
Fox, Julie [1 ]
机构：
[1] Guys & St Thomas NHS Trust, London, England
来源：
CURRENT OPINION IN HIV AND AIDS | 2010年 / 5卷 / 04期
关键词：
HIV transmission; sex act; UNPROTECTED ANAL INTERCOURSE; NEGATIVE GAY MEN; ANTIRETROVIRAL THERAPY; MALE CIRCUMCISION; CONCURRENT PARTNERSHIPS; METHAMPHETAMINE USE; INFECTED PATIENTS; CASUAL PARTNERS; POSITIVE MEN; SOUTH-AFRICA;
D O I：
10.1097/COH.0b013e32833a88a3
中图分类号：
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号：
100102 ;
摘要：
Purpose of review Sexual intercourse represents the majority of HIV transmission and is preventable. Overall, the risk of HIV transmission following a single sexual exposure is low especially in comparison with other sexually transmitted infections (STIs), with estimates of the average probability of male-to-female HIV transmission only 0.0005-0.0026 per coital act. The risk of acquiring HIV from a single contact varies enormously and is dependant upon the infectiousness of the HIV-positive individual and the susceptibility to HIV of their sexual partner. Recent findings Of concern, unprotected sex among men who have sex with men (MSM) has increased in recent years and HIV incidence in both MSM and heterosexuals remains a considerable public health concern. Sexual practices and health optimism about HIV have changed, which have significantly impacted HIV risk behaviour. Summary In this review article we summarize the current evidence regarding the observed relative risks of HIV transmission for each different types of sex act, relationship type and the strategies that have been tested to interrupt transmission.
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页码：291 / 297
页数：7
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