Abstract：Objective To analyze the epidemiological characteristics of newly diagnosed HIV/AIDS cases aged 50 years or over in Zhejiang Province from 2015 to 2019, so as to provide reference for the development of prevention and control strategies.Methods The data of newly diagnosed HIV/AIDS cases in Zhejiang Province were collected through the China HIV/AIDS Comprehensive Response Information Management System, and the demographic characteristics, infection routes,regional distribution and time distribution of the cases were analyzed. Results A total of 6 726 HIV/AIDS patients were recruited in this study, and the number of new patients from 2015 to 2019 showed an increasing trend ( P <0.05 ) . The number of participants diagnosed at the age of 50-59, 60-69 and 70-91 years old were 3 433( 51.04% ), 2 242 ( 33.33% ) and 1 051 ( 15.63% ). The majority of them were males ( 5 180, 77.01% ) , married ( 4 286, 63.72% ) , Zhejiang residents ( 5 304, 78.86% ) , and lived in rural areas ( 4 095, 60.88% ) . In terms of exposure history,6 586 cases ( 97.92% ) were infected by sexual contact. Among the 5 083 males infected by sexual contact, 82.63% were through heterosexual contact, 94.79% had extramarital sex partners, among whom 76.61% were commercial sex partners. The married women patients who confirmed HIV positive accounted for 75.44%. There were increasing trends in the proportion of the cases living in rural areas, male cases infected through heterosexual contact and those with extramarital and commercial sex partners, and female cases with their husbands positive along with age ( P <0.05 ) . Conclusions The number of newly diagnosed HIV/AIDS cases aged ≥50 years is increasing in Zhejiang Province. Many of them live in rural areas. Commercial sexual contact is the main route of HIV transmission among males and further lead to HIV transmission within couples.
蒋均, 罗明宇, 杨介者, 何林, 徐云, 周欣. 2015—2019年浙江省新确证50岁及以上HIV/AIDS病例流行特征分析[J]. 预防医学, 2020, 32(8): 762-766.
JIANG Jun, LUO Mingyu, YANG Jiezhe, HE Lin, XU Yun, ZHOU Xin. Epidemiological characteristics of newly diagnosed HIV/AIDS cases aged50 years or over in Zhejiang Province from 2015 to 2019. Preventive Medicine, 2020, 32(8): 762-766.
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