{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T20:24:19Z","timestamp":1791491059033,"version":"4.3.4"},"reference-count":24,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2025,7,20]],"date-time":"2025-07-20T00:00:00Z","timestamp":1752969600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Background: The objective of this study is to investigate the prevalence and epidemiological changes of major sexually transmitted infections (STIs) in Korea over the past decade. Methods: From 2010 to 2021, patients diagnosed with STIs based on ICD-10 codes were analyzed using Korean Health insurance data. The analysis included the number of patients, prevalence, and age-specific prevalence (in 5-year intervals) over this period. We examined changes in disease patterns over time by analyzing the annual trends and age-specific prevalence of bacterial STIs such as chlamydia, mycoplasma, gonorrhea, and syphilis; viral STIs such as genital herpes, human papillomavirus (HPV), and human immunodeficiency virus (HIV); and other infections including scabies, pubic lice, and trichomoniasis. Results: In 2010, the STI with the highest prevalence due to an infectious pathogen was trichomoniasis (256.65\/100,000), while latent syphilis had the lowest prevalence (5.29\/100,000). In 2021, the STI with the highest prevalence was genital herpes (254.54 per 100,000 persons), and latent syphilis continued to have the lowest prevalence. Bacterial STIs showed a decreasing trend. Viral STIs showed a continuous increase throughout the study period, with anogenital warts (AGW) having the highest rate of increase. Other infections showed a decreasing trend. HIV and AGW in men showed a rapid increase. Gender differences varied depending on the disease. Conclusions: While bacterial STIs have gradually declined, viral STIs have continued to increase during last decade. The characteristics of each pathogen vary according to age and gender, necessitating the establishment of risk groups for each pathogen and the development of prevention policies accordingly.<\/jats:p>","DOI":"10.3390\/jcm14145145","type":"journal-article","created":{"date-parts":[[2025,7,21]],"date-time":"2025-07-21T09:33:53Z","timestamp":1753090433000},"page":"5145","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Recent Changes in Sexually Transmitted Infection in Korea: A Population-Based Analysis"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2167-7243","authenticated-orcid":false,"given":"Jae Yen","family":"Song","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology, Seoul St. Mary\u2019s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9534-7829","authenticated-orcid":false,"given":"Kang Seob","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Urology, Uijeongbu St. Mary\u2019s Hospital, College of Medicine, The Catholic University of Korea, Seoul 11765, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chang Hee","family":"Han","sequence":"additional","affiliation":[{"name":"Department of Urology, Uijeongbu St. Mary\u2019s Hospital, College of Medicine, The Catholic University of Korea, Seoul 11765, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8364-704X","authenticated-orcid":false,"given":"Sangrak","family":"Bae","sequence":"additional","affiliation":[{"name":"Department of Urology, Uijeongbu St. Mary\u2019s Hospital, College of Medicine, The Catholic University of Korea, Seoul 11765, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,7,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Du, M., Yan, W., Jing, W., Qin, C., Liu, Q., Liu, M., and Liu, J. 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