• Article  

      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, ...
    • Article  

      Pre-exposure Prophylaxis (PrEP) Awareness and Use Within High HIV Transmission Networks 

      Schueler, Kellie; Ferreira, Matthew; Nikolopoulos, Georgios; Skaathun, Britt; Paraskevis, Dimitrios; Hatzakis, Angelos; Friedman, Samuel R.; Schneider, John A. (2019)
      Improved implementation of pre-exposure prophylaxis (PrEP) should be a valuable tool within communities experiencing high HIV incidence, such as black men who have sex with men (MSM). Using baseline data from the Chicago ...
    • Article  

      Rapid Decline in HIV Incidence among Persons Who Inject Drugs during a Fast-Track Combination Prevention Program after an HIV Outbreak in Athens 

      Sypsa, V.; Psichogiou, M.; Paraskeva, D.; Nikolopoulos, Georgios K.; Tsiara, Chrissa G.; Paraskeva, D.; Micha, Katerina; Malliori-Minerva, Melpomeni; Pharris, Anastasia; Wiessing, L.; Donoghoe, Martin; Friedman, Samuel R.; Jarlais, Don Des; Daikos, Georgios L.; Hatzakis, A. (2017)
      Background. A "seek-test-treat" intervention (ARISTOTLE) was implemented in response to an outbreak of human immunodeficiency virus (HIV) infection among persons who inject drugs (PWID) in Athens. We assess trends in HIV ...
    • Article  

      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 ...
    • Article  

      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 ...
    • Article  

      Socially-Integrated Transdisciplinary HIV Prevention 

      Friedman, Samuel R.; Jr, M. J. Downing; Smyrnov, P.; Nikolopoulos, Georgios K.; Schneider, J. A.; Livak, B.; Magiorkinis, Gkikas; Slobodianyk, L.; Vasylyeva, T. I.; Paraskeva, D.; Psichogiou, M.; Sypsa, V.; Malliori-Minerva, Melpomeni; Hatzakis, A. (2014)
      Current ideas about HIV prevention include a mixture of primarily biomedical interventions, socio-mechanical interventions such as sterile syringe and condom distribution, and behavioral interventions. This article presents ...