Browsing by Author "Schneider, John"
Now showing items 1-7 of 7
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Molecular Analysis of Human Immunodeficiency Virus Type 1 (HIV-1)–Infected Individuals in a Network-Based Intervention (Transmission Reduction Intervention Project): Phylogenetics Identify HIV-1–Infected Individuals With Social Links
Nikolopoulos, Georgios K.; Kostaki, Evangelia-Georgia; Pavlitina, Eirini; Williams, Leslie; Magiorkinis, Gkikas; Schneider, John; Skaathun, Britt; Morgan, Ethan; Psichogiou, Mina; Daikos, Georgios L.; Sypsa, Vana; Smyrnov, Pavlo; Korobchuk, Ania; Malliori, Meni; Hatzakis, Angelos; Friedman, Samuel R.; Paraskevis, Dimitrios (2018)We analyzed associations between HIV-1 transmission links, as estimated by phylogenetic analyses, and social networks. We found that 43.8% of people who inject
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Molecular investigation of HIV-1 cross-group transmissions during an outbreak among people who inject drugs (2011-2014) in Athens, Greece
Nikolopoulos, Georgios K.; Paraskevis, Dimitrios; Sypsa, Vana; Psichogiou, Mina; Pantavou, Katerina; Kostaki, Evangelia; Karamitros, Timokratis; Paraskeva, Dimitra; Schneider, John; Malliori, Melpomeni; Friedman, Samuel R.; Des Jarlais, Don C.; Daikos, Georgios L.; Hatzakis, Angelos (2018)New diagnoses of HIV-1 infection among people who inject drugs (PWID) rocketed in Athens, Greece between 2011 and 2014 (HIV-1 outbreak). Our aim was to identify, during that period, potential cross-group transmissions ...
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Network Research Experiences in New York and Eastern Europe: Lessons for the Southern US in Understanding HIV Transmission Dynamics
Nikolopoulos, Georgios; Friedman, Samuel R.; Williams, Leslie; Young, April M.; Teubl, Jennifer; Paraskevis, Dimitrios; Kostaki, Evangelia; Latkin, Carl; German, Danielle; Mateu-Gelabert, Pedro; Guarino, Honoria; Vasylyeva, Tetyana I.; Skaathun, Britt; Schneider, John; Korobchuk, Ania; Smyrnov, Pavlo (2018)This paper presents an overview of different kinds of risk and social network methods and the kinds of research questions each can address.
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People with high HIV viral load within risk networks: who are these people and who refers them best?
Nikolopoulos, Georgios K.; Korobchuk, Anna; Davtyan, Hayk; Denisiuk, Olga; Zachariah, Rony; Paraskevis, Dimitrios; Skaathun, Britt; Schneider, John; Vasylyeva, Tetyana I.; Williams, Leslie D.; Smyrnov, Pavlo; Friedman, Samuel R. (2019)Introduction: Viral load is one of the most important determinants for HIV transmission. Identification of people with high viral load (PHVL) can be effective in limiting onward HIV transmission. In order to improve the ...
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Pockets of HIV Non-infection Within Highly-Infected Risk Networks in Athens, Greece
Nikolopoulos, Georgios K.; Williams, Leslie D.; Kostaki, Evangelia-Georgia; Pavlitina, Eirini; Paraskevis, Dimitrios; Hatzakis, Angelos; Schneider, John; Smyrnov, Pavlo; Hadjikou, Andria; Psichogiou, Mina; Friedman, Samuel R. (2018)As part of a network study of HIV infection among people who inject drugs (PWID) and their contacts, we discovered a connected subcomponent of 29 uninfected PWID. In the context of a just-declining large epidemic outbreak, ...
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Risk network approaches to locating undiagnosed HIV cases in Odessa, Ukraine
Nikolopoulos, Georgios K.; Smyrnov, Pavlo; Williams, Leslie D.; Korobchuk, Ania; Sazonova, Yana; Skaathun, Britt; Morgan, Ethan; Schneider, John; Vasylyeva, Tetyana I.; Friedman, Samuel R. (2018)Introduction Providing HIV healthcare and Treatment as Prevention both depend on diagnosing HIV cases, preferably soon after initial infection. We hypothesized that tracing risk networks recruits higher proportions of ...
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Social network approaches to locating people recently infected with HIV in Odessa, Ukraine
Nikolopoulos, Georgios K.; Williams, Leslie D.; Korobchuk, Ania; Smyrnov, Pavlo; Sazonova, Yana; Skaathun, Britt; Morgan, Ethan; Schneider, John; Vasylyeva, Tetyana I.; Duong, Yen T.; Chernyavska, Svitlana; Goncharov, Vitaliy; Kotlik, Ludmila; Friedman, Samuel R. (2019)Introduction This paper examines the extent to which an intervention succeeded in locating people who had recently become infected with HIV in the context of the large-scale Ukrainian epidemic. Locating and intervening ...