科普 | 各国如何开展男性同性行为人群(MSM)艾滋病哨点监测?

2025-06-05 04:55:54

②性行为特征:初次发生性行为的年龄、性伙伴类型(商业/非商业、女性/MSM/跨性别者)、安全套使用情况和未使用原因、润滑油使用情况及安全套协商策略(与不愿意使用安全套的性伴如何沟通);

③毒品使用情况:毒品类型(鸦片、海洛因、冰毒等)、使用方式(烫吸、口服、注射等)及频率、共用针具和吸毒后性行为情况;

④经性传播疾病感染情况:感染类型、检测和就诊史和就诊情况;

⑤艾滋病防治信息:防治知识(传播途径、预防措施、暴露前后预防)知晓率、接受检测及行为干预服务的情况、HIV感染风险评估、艾滋病相关歧视等问题;

⑥血清学信息:艾滋病及梅毒等经性传播疾病相关抗体筛查,个别国家也增加生殖器疣和人乳头状瘤病毒感染情况。

阳性结果如何判定?

① HIV抗体检测:各国判定标准多有相似之处——两次检测结果均为阳性即可判定为HIV抗体阳性,同时具体检测方法略有不同——如中国、印度为两次酶联免疫试剂法(ELISA) [7,13-14],泰国、澳大利亚为ELISA+蛋白免疫印迹法 /免疫荧光分析法 [16],巴西为两次快筛 [10];美国以实验室确证试验为准 [12];斯里兰卡3次快筛结果均为阳性才可判定 [17]。

② 梅毒抗体检测:中国等采用ELISA初筛及梅毒甲苯胺红不加热血清试验诊断试剂复检均为阳性即判定为梅毒抗体阳性 [14];斯里兰卡经快筛试剂、性病研究实验室实验、梅毒螺旋体颗粒凝集试验均为阳性才可判定 [17]。

参考文献:

[1]WHO/UNAIDS. Guidelines for conducting HIV sentinel serosurveys among pregnant women and other groups[EB/OL].[2003-12-01][2020-11-25]. https://www. who. int/hiv/pub/ surveillance/en/ancguidelines.pdf?ua=1.

[3]National Center for HIV/AIDS,HepatitisViral, and TB PreventionSTD, Centers for Disease Control and TB Prevention. HIV infection risk,prevention, and testing behaviors among men who have sex with men National HIV Behavioral Surveillance 23 U.S. cities,2017[EB/OL].(2017)[2020-11-25]. https://www. cdc. gov/hiv/library/reports/hivsurveillance.html.

[5]Public Health Agency of Canada. HIV testing and surveillance systems in Canada[EB/OL]. [2011-02-25][2020-11-25]. https://www. canada. ca/en/public-health/services/hiv-aids/ publications/epi-updates/chapter-3-hiv-testing-surveillancesystems-canada.html.

[7]National AIDS Control Organization. HIV Sentinel Surveillance 2016-17:Technical Brief[EB/OL]. (2017-06-01)[2020-11- 10]. https://www. aidsdatahub.org/sites/default/files/resource/ india-hss-2016-17-technical-brief.pdf.

[8]UNAIDS. Key Populations Atlas Data sources[EB/OL].[2017- 09-01][2020-11-10]. https://www. unaids. org/en/topic/keypopulation.

[9]DE BONI RB,LENTINI N,SANTELLI AC,et al. Selftesting,communication and information technology to promote HIV diagnosis among young gay and other men who have sex with men(MSM)in Brazil[J]. J Int AIDS Soc,2018,21 (Suppl 5):e25116. DOI:10.1002/jia2.25116.

[11]US CDC. Assessment of the feasibility of a National HIV Behavioral Surveillance System for young men who have sex with men(NHBS-YMSM)[EB/OL].[2020-05-12][2020-11-25].https//www.cdc.gov/hiv/statistics/systems/nhbs/additionalpopulations.html

[12]US CDC. HIV Infection, Risk, Prevention, and Testing Behaviors among Persons Who Inject Drugs National HIV Behavioral Surveillance Injection Drug Use 20 U.S. Cities,2015 [EB/OL]. (2018-05-01)[2020-11-02]. https://www. cdc. gov/hiv/pdf/library/reports/surveillance/cdc-hiv-surveillance-specialreport-number-18.pdf.

[15]GUY RJ,KONG FB,GOLLER J,et al. A new national Chlamydia Sentinel Surveillance System in Australia:evaluation of the first stage of implementation[J]. Commun Dis Intell Q Rep,2010,34(3):319-328.

来源:中国疾控艾防中心

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