河南省艾滋病病例网络直报系统中感染途径不详病例调查分析

Survey on HIV/AIDS cases with unspecified transmission routes reported through national network direct reporting system in Henan province

目的查明艾滋病患者的感染途径。方法利用河南省病例网络直报系统,对艾滋病患者中感染途径不详者进行专项流行病学调查。结果共调查感染途径不详病例726例,调查率为81.7%。查明感染途径病例443例,占调查病例的61.0%。其中性接触感染41.6%(184例),既往有偿供血感染28.2%(125例),既往输注血液/血制品感染23.7%(105例),母婴传播3.6%(16例),注射毒品2.9%(13例)。结论艾滋病网络直报系统中大部分感染途径不详的病例通过进一步调查可以查明感染途径,应提高病例报告和个案流行病学调查的质量。

Objective To find out the transmission route of HIV/AIDS cases with unspecified transmission route reported through national network direct reporting system in Henan province. Methods The epidemiological survey about the transmission routes of HIV/AIDS cases were conducted. Results A total of 726 HIV/AIDS cases with unknown transmission routes were interviewed with the rate of 81.7%, and the transmission routes were found out in 443 cases （61.0%）, including 184 sexual transmitted cases （41.6%）, 125 cases by blood donation （28.2%）, 105 cases by blood transfusion/blood products （23.7%）, 16 cases by mother to children transmission （3.6%） and 13 cases by injection drug use （2.9%）. Conclusion More than 60% of the AIDS cases with unknown transmission route can be specified by epidemiological survey, it is necessary to improve the quality of cases reporting and case epidemiological survey.