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In order to assess the prevalence of LGV in a high-risk group of MSM and include clinically atypical cases, retrospective analysis of 197<jats:italic>Chlamydia trachomatis<\/jats:italic>-infected men was performed. Sequencing of the<jats:italic>ompA<\/jats:italic>gene showed a different serotype distribution compared to recent Swedish studies in heterosexual populations. The most common types were G (45%), D (27%), and J (26%), whereas the normally predominant type E accounted for only 4% of the chlamydia cases. Furthermore, certain<jats:italic>ompA<\/jats:italic>genotype variants of the dominant serotypes were highly prevalent among MSM, and the reason for this is discussed. No additional case of LGV was detected by retrospective analysis of the high-risk MSM population. This indicates that, thus far, LGV in Sweden is only a result of sporadic import from infected MSM clusters abroad.<\/jats:p>","DOI":"10.1128\/jcm.00574-06","type":"journal-article","created":{"date-parts":[[2006,11,6]],"date-time":"2006-11-06T18:13:36Z","timestamp":1162836816000},"page":"4066-4071","update-policy":"http:\/\/dx.doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":49,"title":["Lymphogranuloma Venereum Prevalence in Sweden among Men Who Have Sex with Men and Characterization of<i>Chlamydia trachomatis ompA<\/i>Genotypes"],"prefix":"10.1128","volume":"44","author":[{"given":"Markus","family":"Klint","sequence":"first","affiliation":[{"name":"Department of Clinical Microbiology, Uppsala University Hospital, Uppsala"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Margareta","family":"Lo\u0308fdahl","sequence":"additional","affiliation":[{"name":"Department of Epidemiology, Swedish Institute for Infectious Disease Control, Solna"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carolina","family":"Ek","sequence":"additional","affiliation":[{"name":"Venha\u0308lsan Gay Clinic, Karolinska University Hospital, Stockholm"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A\u030asa","family":"Airell","sequence":"additional","affiliation":[{"name":"Department of Clinical Microbiology, Karolinska University Hospital Huddinge, Stockholm"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Torsten","family":"Berglund","sequence":"additional","affiliation":[{"name":"Department of Epidemiology, Swedish Institute for Infectious Disease Control, Solna"},{"name":"Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bjo\u0308rn","family":"Herrmann","sequence":"additional","affiliation":[{"name":"Department of Clinical Microbiology, Uppsala University Hospital, Uppsala"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1001\/jama.285.1.47"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1093\/infdis\/156.6.953"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1093\/clinids\/20.3.576"},{"key":"e_1_3_2_5_2","unstructured":"Eurosurveillance Wkly. 2005 10"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(05)66490-2"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1128\/IAI.74.1.578-585.2006"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1093\/infdis\/172.4.1013"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1097\/00007435-200303000-00005"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.idc.2005.04.004"},{"key":"e_1_3_2_11_2","first-page":"892","volume":"10","year":"1993","unstructured":"Fitch, W. 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