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국내 Human Immunodeficiency Virus 감염의 감염 경로: 한국 HIV/AIDS 코호트 연구
김준명 ( June Myung Kim ),최준용 ( Jun Yong Choi ),정우용 ( Woo Yong Jeong ),성혜 ( Hye Seong ),김신우 ( Shin Woo Kim ),김우주 ( Woo Joo Kim ),최희정 ( Hee Jung Choi ),김민자 ( Min Ja Kim ),우준희 ( Jun Hee Woo ),김윤정 ( Youn Je 대한내과학회 2018 대한내과학회지 Vol.93 No.4
Background/Aims: Global efforts to prevent human immunodeficiency virus (HIV) infection and strengthen treatment programs have reduced the annual incidence of HIV infection. However, the incidence recently increased unexpectedly in Korea. Therefore, to understand the cause of the increase in HIV infection incidence in Korea, it is important to identify the mode of HIV transmission. Methods: We included HIV-infected individuals enrolled in the Korea HIV/AIDS (acquired immune deficiency syndrome) Cohort from December 2006 to January 2018. The subjects were older than 18 years and were receiving care at 21 participating hospitals. They were interviewed by their physician at enrollment, and an epidemiological survey was conducted using a stand ardized questionnaire provided by a professional counseling nurse. Results: There were 1,474 subjects: 1,377 men and 97 women. Their mean age was 41.4 ± 12.6 years, and the male-to-female ratio was 14.2. The transmission modes were as follows: homosexual and bisexual contacts in 885 (60.1%), heterosexual contacts in 508 (34.6%), blood transfusion and blood products in 5 (0.3%), and injected drug use in 1 (0.0%). Regarding age, the proportion infected by homosexual and bisexual contacts was higher in the younger age groups: 71.5% in subjects aged 18-29 years. When this age group was further subdivided, 92.9% of those aged 18-19 years were determined to be infected via homosexual and bisexual contacts. Conclusions: In Korea, HIV is transmitted predominantly via homosexual and bisexual contacts, which is more common among younger age groups and the cause of infections in most teenagers. (Korean J Med 2018;93:379-386)