{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T12:03:17Z","timestamp":1753876997684,"version":"3.41.2"},"reference-count":45,"publisher":"Oxford University Press (OUP)","issue":"7","funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["Z-8027457"],"award-info":[{"award-number":["Z-8027457"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,7,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Subtype-A HIV was introduced into Israel in the mid-1990s, predominantly by immigrants from the former Soviet Union (FSU) infected via intravenous drug use (IVDU). HIV subsequently spread beyond the FSU-IVDU community. In 2012, a mini-HIV outbreak, associated with injection of amphetamine cathinone derivatives, started in Tel Aviv, prompting public health response. To assess current trends and the impact of the outbreak and control measures, we conducted a phyloepidemiologic analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>Demographic and clinical records and HIV sequences were compiled from 312 subtype-A HIV-infected individuals attending the Tel-Aviv Sourasky Medical Center between 2005\u20132016, where &amp;gt;40% of all subtype-A HIV-infected individuals in Israel are undergoing care. Molecular evolutionary genetics analysis (MEGA) and ayesian evolutionary analysis sampling trees (BEAST) programs were implemented in a phylogenetic analysis of pol sequences. Reconstructed phylogenies were assessed in the context of demographic information and drug-resistance profiles. Clusters were identified as sequence populations with posterior probability \u22650.95 of having a recent common ancestor.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>After 2010, the subtype-A epidemic acquired substantial phylogenetic structure, having been unrecognized in studies covering the earlier period. Nearly 50% of all sequences were present in 11 distinct clusters consisting of 4\u201343 individuals. Cluster composition reflected transmission across ethnic groups, with men who have sex with men (MSM) playing an increasing role. The cathinone-associated cluster was larger than previously documented, containing variants that continued to spread within and beyond the IVDU community.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Phyloepidemiologic analysis revealed diverse clusters of HIV infection with MSM having a central role in transmission across ethic groups. A mini outbreak was reduced by public health measures, but molecular evidence of ongoing transmission suggests additional measures are necessary.<\/jats:p><\/jats:sec>","DOI":"10.1093\/ofid\/ofz304","type":"journal-article","created":{"date-parts":[[2020,7,17]],"date-time":"2020-07-17T13:54:35Z","timestamp":1594994075000},"source":"Crossref","is-referenced-by-count":5,"title":["Transmission Dynamics of HIV Subtype A in Tel Aviv, Israel: Implications for HIV Spread and Eradication"],"prefix":"10.1093","volume":"6","author":[{"given":"Zehava","family":"Grossman","sequence":"first","affiliation":[{"name":"School of Public Health, Tel Aviv University, Israel"},{"name":"National Cancer Institute, Frederick, Maryland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Boaz","family":"Avidor","sequence":"additional","affiliation":[{"name":"Crusaid Kobler AIDS Center, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel"},{"name":"Laboratory of Viruses and Molecular Biology, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shirley","family":"Girshengoren","sequence":"additional","affiliation":[{"name":"Crusaid Kobler AIDS Center, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel"},{"name":"Laboratory of Viruses and Molecular Biology, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eugene","family":"Katchman","sequence":"additional","affiliation":[{"name":"Crusaid Kobler AIDS Center, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Frank","family":"Maldarelli","sequence":"additional","affiliation":[{"name":"National Cancer Institute, Frederick, Maryland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dan","family":"Turner","sequence":"additional","affiliation":[{"name":"Crusaid Kobler AIDS Center, Tel-Aviv Sourasky Medical Center, Tel Aviv, 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