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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
The role of migration and domestic transmission in the spread of HIV-1 non-B subtypes in Switzerland
Journal of Infectious Diseases, Volume 204, No. 7, Year 2011
Notification
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Description
Background. By analyzing human immunodeficiency virus type 1 (HIV-1) pol sequences from the Swiss HIV Cohort Study (SHCS), we explored whether the prevalence of non-B subtypes reflects domestic transmission or migration patterns. Methods. Swiss non-B sequences and sequences collected abroad were pooled to construct maximum likelihood trees, which were analyzed for Swiss-specific subepidemics, (subtrees including ≥80% Swiss sequences, bootstrap >70%; macroscale analysis) or evidence for domestic transmission (sequence pairs with genetic distance <1.5%, bootstrap ≥98%; microscale analysis). Results. Of 8287 SHCS participants, 1732 (21%) were infected with non-B subtypes, of which A (n = 328), C (n=272), CRF01-AE (n=258), and CRF02-AG (n=285) were studied further. The macroscale analysis revealed that 21% (A), 16% (C), 24%(CRF01-AE), and 28% (CRF02-AG) belonged to Swiss-specific subepidemics. The microscale analysis identified 26 possible transmission pairs: 3 (12%) including only homosexual Swiss men of white ethnicity; 3 (12%) including homosexual white men from Switzerland and partners from foreign countries; and 10 (38%) involving heterosexual white Swiss men and females of different nationality and predominantly nonwhite ethnicity. Conclusions. Of all non-B infections diagnosed in Switzerland, <25% could be prevented by domestic interventions. Awareness should be raised among immigrants and Swiss individuals with partners from high prevalence countries to contain the spread of non-B subtypes. © The Author 2011. Published by Oxford University Press on behalf of the Infectious Diseases Society of America. All rights reserved.
Authors & Co-Authors
von Wyl, Viktor
Switzerland, Zurich
Universitatsspital Zurich
United Kingdom, London
University College London
Kouyos, Roger D.
Switzerland, Zurich
Eth Zürich
Yerly, Sabine T.B.D.
Switzerland, Geneva
Université de Genève Faculté de Médecine
Böni, Jürg
Switzerland, Zurich
Universität Zürich
Shah, Cyril A.
Switzerland, Zurich
Universität Zürich
Bürgisser, Ph
Switzerland, Lausanne
Centre Hospitalier Universitaire Vaudois
Klimkait, Thomas
Switzerland, Basel
Universitat Basel
Weber, Rainer
Switzerland, Zurich
Universitatsspital Zurich
Hirschel, B. J.
Switzerland, Geneva
Hôpitaux Universitaires de Genève
Cavassini, Matthias L.
Switzerland, Lausanne
Centre Hospitalier Universitaire Vaudois
Staehelin, Cornelia
Switzerland, Bern
University of Bern
Battegay, Manuel
Switzerland, Basel
Universitätsspital Basel
Vernazza, Pietro Luigi
Switzerland, St Gallen
Kantonsspital St.gallen
Bernasconi, Enos
Switzerland, Bellinzona
Ente Ospedaliero Cantonale
Ledergerber, Bruno
Switzerland, Zurich
Universitatsspital Zurich
Bonhoeffer, Sebastian
Switzerland, Zurich
Eth Zürich
Günthard, Hüldrych Fritz
Switzerland, Zurich
Universitatsspital Zurich
Barth, Jürgen
Unknown Affiliation
Bucher, Heíner C.C.
Unknown Affiliation
Burton-Jeangros, Claudine
Unknown Affiliation
Calmy, Alexandra L.
Unknown Affiliation
Dubs, Rolf W.
Unknown Affiliation
Egger, Matthias
Unknown Affiliation
Elzi, Luigia
Unknown Affiliation
Fehr, Jan Sven
Unknown Affiliation
Fischer, Marek
Unknown Affiliation
Flepp, Markus J.
Unknown Affiliation
Francioli, Patrick B.
Unknown Affiliation
Furrer, Hansjakob
Unknown Affiliation
Fux, Christoph Andreas
Unknown Affiliation
Gorgievski, Meri
Unknown Affiliation
Hasse, Barbara Katharina
Unknown Affiliation
Hirsch, Hans H.
Unknown Affiliation
Hösli, Irene Mathilde
Unknown Affiliation
Kahlert, Christian R.
Unknown Affiliation
Kaiser, Laurent K.
Unknown Affiliation
Keiser, Olivia
Unknown Affiliation
Kind, Christian H.
Unknown Affiliation
Kovari, Helen
Unknown Affiliation
Martinetti, Gladys
Unknown Affiliation
Martínez de Tejada, Begoῆa
Unknown Affiliation
Müller, Nicolas J.
Unknown Affiliation
Nadal, David
Unknown Affiliation
Pantaleo, Giuseppe P.
Unknown Affiliation
Rauch, Andri
Unknown Affiliation
Regenass, Stephan
Unknown Affiliation
Rickenbach, Martin
Unknown Affiliation
Rudin, Christoph
Unknown Affiliation
Schmid, Patrick
Unknown Affiliation
Schültze, Detlev
Unknown Affiliation
Schöni-Affolter, Franziska
Unknown Affiliation
Schüpbach, Jörg Rg
Unknown Affiliation
Speck, Roberto F.
Unknown Affiliation
Taffé, Patrick
Unknown Affiliation
Telenti, Amalio
Unknown Affiliation
Trkola, Alexandra
Unknown Affiliation
Statistics
Citations: 69
Authors: 56
Affiliations: 12
Identifiers
Doi:
10.1093/infdis/jir491
ISSN:
00221899
Research Areas
Genetics And Genomics
Infectious Diseases
Study Design
Cross Sectional Study
Cohort Study
Study Approach
Quantitative
Participants Gender
Male
Female