CROI 2015 Program and Abstracts

Poster Listings

237 Neutralizing Antibodies in Humans InfectedWith Zoonotic Simian Foamy Viruses Caroline Lambert 1 ; Julie Gouzil 2 ; Réjane Rua 1 ; Edouard Betsem 3 ; Antoine Gessain 1 ; Florence Buseyne 1 1 Institut Pasteur, Paris, France; 2 Ecole Vétérinaire, Maison-Alfort, France; 3 University of Yaounde, Yaounde, Cameroon

244 Estimation of HIV-1 Transmission During Recent Infection in Switzerland Alex Marzel 1 ; Mohaned Shilaih 1 ;Wan-LinYang 1 ; Jürg Böni 2 ; SabineYerly 3 ;Thomas Klimkait 4 ;Vincent Aubert 5 ; Huldrych F. Günthard 1 ; Roger Kouyos 1 On behalf of the Swiss HIV Cohort Study (SHCS) 1 Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, Zurich, Switzerland; 2 Swiss National Center for Retroviruses, Zurich, Switzerland; 3 Laboratory of Virology, Geneva, Switzerland; 4 Department of Biomedicine–Petersplatz, Basel, Switzerland; 5 Division of Immunology and Allergy, Lausanne, Switzerland; 6 The Swiss HIV Cohort Study, Zurich, Switzerland 245 Clustering of Swiss HIV Patients Not Enrolled in the Swiss HIV Cohort Study (SHCS) Mohaned Shilaih 1 ; Alex Marzel 1 ; Jörg Schüpbach 1 ; Jürg Böni 1 ; SabineYerly 2 ;Thomas Klimkait 4 ;Vincent Aubert 3 ; Huldrych F. Günthard 1 ; Roger Kouyos 1 The Swiss HIV Cohort Study (SHCS) 1 University Hospital Zurich, Zurich, Switzerland; 2 Geneva University Hospital, Geneva, Switzerland; 3 University Hospital Lausanne, Lausanne, Switzerland; 4 University of Basel, Basel, Switzerland; 5 University of Zurich, Zurich, Switzerland 246 HIV Transmission Network Structure Reveals Characteristics of Bridging Individuals Sanjay Mehta ; Joel O.Wertheim; Konrad Scheffler; Susan Little; Richard R. Garfein; Sergei L. Kosakovsky Pond; David M. Smith University of California San Diego, La Jolla, CA, US 247 Phylodynamic Analysis of HIV Sub-Epidemics in Mochudi, Botswana Vladimir Novitsky 1 ; Denise Kuehnert 2 ; Sikhulile Moyo 3 ; Erik vanWidenfeldt 3 ; Lillian Okui 3 ; Max Essex 1 1 Harvard School of Public Health, Boston, MA, US; 2 ETH Zürich, Zürich, Switzerland; 3 Botswana- Harvard AIDS Institute Partnership, Gaborone, Botswana 248 Exploring Transmission Dynamics of HIV in Rural KwaZulu-Natal, Using Phylogenetics EduanWilkinson 1 ; Siva Danaviah 1 ; Justen Manasa 1 ; FrankTanser 1 ; Kobus Herbst 1 ; Deenan Pillay 2 ; Tulio de Oliveira 1 On behalf of the PANGEA_HIV Consortium 1 University of KwaZulu-Natal, Durban, South Africa; 2 University College London, London, United Kingdom 249 Detecting Changes in Incidence Using Phylogenetic Tools: Simulation- Based Studies Within the PANGEA_HIV Initiative Emma B. Hodcroft 1 ; Oliver Ratmann 2 ; Anne Cori 2 ; Mike Pickles 2 ; Samantha Lycett 3 ; Manon L. Ragonnet-Cronin 1 ; Matthew Hall 1 ; Andrew J. Leigh Brown 1 ; Christophe Fraser 2 On behalf of the Pangea_HIV Consortium 1 University of Edinburgh, Edinburgh, United Kingdom; 2 Imperial College London, London, United Kingdom; 3 University of Glasgow, Glasgow, United Kingdom

TUESDAY, FEBRUARY 24, 2015 Session P-B2 Poster Session

Poster Hall

2:30 pm– 4:00 pm Defining Epidemiologically Linked Transmission 238 Large Phylogenetically Linked HIV Cluster in King County, Washington, 2008 to 2014 Susan E. Buskin 1 ; JoshuaT. Herbeck 2 ; Katelynne M. GardnerToren 1 ; Michelle R. Perry 1 ; Amy Bennett 1 ; Matthew R. Golden 2 1 Public Health—Seattle & King County, Seattle, WA, US; 2 University of Washington, Seattle, WA, US 239 Reconciling Named Partner and Genetic Partner HIV-1 Transmission Networks in New York City Joel O. Wertheim 1 ; Sergei L. Kosakovsky Pond 1 ; Konrad Scheffler 1 ; Davey M. Smith 1 ; Sanjay Mehta 1 ; Sharmila Shah 2 ; Lisa Forgione 2 ; LuciaV.Torian 2 1 University of California San Diego, San Diego, CA, US; 2 New York City Department of Health and Mental Hygiene, New York, NY, US 240 Efforts to Characterize Community HIV Transmission Dynamics May Be Critically Dependent on Provision of Both Partner Services and Genetic Sequence Analysis Nella L. Green ; Christy Anderson; Sergei L. Kosakovsky Pond; Martin Hoenigl; David M. Smith; Sanjay Mehta; Susan Little University of California San Diego, San Diego, CA, US 2:30 pm– 4:00 pm Transmission Clusters 241 Growth and Geographic Spread of HIV Transmission Clusters, United States, 2007-2012 Alexandra M. Oster 1 ; JoelWertheim 2 ; Ellsworth Campbell 1 ; Angela L. Hernandez 1 ; Neeraja Saduvala 2 ;WilliamM. Switzer 1 ; M. Cheryl Ocfemia 1 ; Anupama Shankar 1 ; H. Irene Hall 1 1 US Centers for Disease Control and Prevention (CDC), Decatur, GA, US; 2 ICF International, Atlanta, GA, US 242 HIV Transmission Networks Among the USA, Mexico, and Central America Santiago Avila-Rios 1 ; Joel O.Wertheim 2 ; Ann M. Dennis 8 ; Gustavo Reyes-Terán 1 ; Carlos Mejía-Villatoro 3 ; ElsaY. Palou 4 ; Guillermo Porras-Cortes 6 ; Juan M Pascale 5 ; Marvin Manzanero 7 ; Sanjay Mehta 2 1 National Institute of Respiratory Diseases, Mexico City, Mexico; 2 University of California San Diego (UCSD), San Diego, CA, US; 3 Roosevelt Hospital, Guatemala City, Guatemala; 4 Hospital Escuela Universitario, Tegucigalpa, Honduras; 5 Gorgas Memorial Institute for Health Studies, Panama, Panama; 6 Vivian Pellas Metropolitan Hospital, Managua, Nicaragua; 7 Ministry of Health, Belmopan, Belize; 8 University of North Carolina, Chapel Hill, NC, US 243 Sexual Networks Across Risk Groups Persistently Contribute to Local Spread of HIV Marije Hofstra 1 ;Tania Mudrikova 1 ; Marieke Pingen 1 ; Kristine Koekkoek 1 ; ArjanVan Laarhoven 1 ; Rob Schuurman 1 ; Andy I. Hoepelman 1 ; Annemarie M.Wensing 1 1 University Medical Center Utrecht, Utrecht, Netherlands; 2 University Medical Center Utrecht, Utrecht, Netherlands WEDNESDAY, FEBRUARY 25, 2015 Session P-B3 Poster Session Poster Hall

Poster Listings

TUESDAY, FEBRUARY 24, 2015 Session P-B4 Poster Session

Poster Hall

2:30 pm– 4:00 pm Transmission Networks: MSM 250 HIV Transmission Among Seattle Adolescents

Joshua Herbeck 1 ; ElizabethWolf 1 ; Stephen van Rompaey 2 ; Mari M. Kitahata 2 ; Lisa Frenkel 1 1 University of Washington, Seattle, WA, US; 2 Center for AIDS Research, Seattle, WA, US 251 Characterization of Large Cluster Viral Networks Sustaining the Montreal MSM Epidemic Bluma Brenner 2 ; Ruxandra-Ilinca Ibanescu 2 ; Daniela Moisi 2 ; Isabelle Hardy 3 ; Jean-Pierre Routy 1 ; Joanne Otis 4 ; MarkWainberg 2 ; Michel Roger 3 1 McGill University, Montréal, Canada; 2 Lady Davis Institute, Montreal, Canada; 3 Université de Montréal, Montreal, Canada; 4 UQAM, Montreal, Canada

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CROI 2015