• Article  

      Big events in Greece and HIV infection among people who inject drugs 

      Nikolopoulos, Georgios K.; Sypsa, V.; Bonovas, Stefanos; Paraskeva, D.; Malliori-Minerva, Melpomeni; Hatzakis, A.; Friedman, Samuel R. (2015)
      Big Events are processes like macroeconomic transitions that have lowered social well-being in various settings in the past. Greece has been hit by the global crisis and experienced an HIV outbreak among people who inject ...
    • Article  

      Design and baseline findings of a large-scale rapid response to an HIV outbreak in people who inject drugs in Athens, Greece: The ARISTOTLE programme 

      Hatzakis, A.; Sypsa, V.; Paraskeva, D.; Nikolopoulos, Georgios K.; Tsiara, Chrissa G.; Micha, Katerina; Panopoulos, A.; Malliori-Minerva, Melpomeni; Psichogiou, M.; Pharris, Anastasia; Wiessing, L.; Laar, M. J. van de; Donoghoe, Martin; Heckathorn, Douglas D.; Friedman, Samuel R.; Jarlais, Don C. Des (2015)
      Aims: To (i) describe an intervention implemented in response to the HIV-1 outbreak among people who inject drugs (PWIDs) in Greece (ARISTOTLE programme), (ii) assess its success in identifying and testing this population ...
    • Article  

      Economic recession and emergence of an HIV-1 outbreak among drug injectors in Athens metropolitan area: A longitudinal study 

      Paraskeva, D.; Nikolopoulos, Georgios K.; Fotiou, Anastasios; Tsiara, Chrissa G.; Paraskeva, D.; Sypsa, V.; Lazanas, Marios; Gargalianos, Panagiotis; Psichogiou, M.; Skoutelis, A.; Wiessing, L.; Friedman, Samuel R.; Jarlais, Don C. Des; Terzidou, M.; Kremastinou, Jenny; Malliori-Minerva, Melpomeni; Hatzakis, A. (2013)
      Background: During 2011, a dramatic increase (1600%) of reported HIV-1 infections among injecting drug users (IDUs) was noted in Athens, Greece. We herein assess the potential causal pathways associated with this outbreak. ...
    • Article  

      Enhanced HIV-1 surveillance using molecular epidemiology to study and monitor HIV-1 outbreaks among intravenous drug users (IDUs) in Athens and Bucharest 

      Paraskeva, D.; Paraschiv, S.; Sypsa, V.; Nikolopoulos, Georgios K.; Tsiara, Chrissa G.; Magiorkinis, Gkikas; Psichogiou, M.; Flampouris, Andreas; Mardarescu, Mariana; Niculescu, I.; Batan, Ionelia; Malliori-Minerva, Melpomeni; Otelea, D.; Hatzakis, A. (2015)
      Background: A significant increase in HIV-1 diagnoses was reported among Injecting Drug Users (IDUs) in the Athens (17-fold) and Bucharest (9-fold) metropolitan areas starting 2011. Methods: Molecular analyses were conducted ...
    • Article  

      HIV surveillance and injecting drug users in Greece 

      Pharris, Anastasia; Amato, Andrew; Giesecke, Johan; Nikolopoulos, Georgios K.; Tsiodras, Sotirios; Botsi, Chryssoula; Malliori-Minerva, Melpomeni; Kremastinou, Jenny (2014)
      A letter to the editor is presented in response to the article "HIV infections and injecting drug users in Greece," by Evangelos C. Alexopoulous in the September 25, 2013 issue.
    • Article  

      HIV surveillance and injecting drug users in Greece (II) 

      Nikolopoulos, Georgios K.; Tsiodras, Sotirios; Botsi, Chryssoula; Malliori-Minerva, Melpomeni; Kremastinou, Jenny (2014)
    • Article  

      HIV-1 outbreak among injecting drug users in Greece, 2011: A preliminary report 

      Paraskeva, D.; Nikolopoulos, Georgios K.; Tsiara, Chrissa G.; Paraskeva, D.; Antoniadou, Anastasia; Lazanas, Marios; Gargalianos, Panagiotis; Psychogiou, M.; Malliori-Minerva, Melpomeni; Kremastinou, Jenny; Hatzakis, A. (2011)
      A significant increase (more than 10-fold) in the number of newly diagnosed HIV-1 infections among injecting drug users (IDUs) was observed in Greece during the first seven months of 2011. Molecular epidemiology results ...
    • Article  

      Homelessness and other risk factors for HIV infection in the current outbreak among injection drug users in Athens, Greece 

      Sypsa, V.; Paraskeva, D.; Malliori-Minerva, Melpomeni; Nikolopoulos, Georgios K.; Panopoulos, A.; Kantzanou, Maria; Katsoulidou, Antigoni; Psichogiou, M.; Fotiou, Anastasios; Pharris, Anastasia; Laar, M. J. van de; Wiessing, L.; Jarlais, Don C. Des; Friedman, Samuel R.; Hatzakis, A. (2015)
      Objectives: We examined HIV prevalence and risk factors among injection drug users (IDUs) in Athens, Greece, during an HIV outbreak. Methods: We used respondent-driven sampling (RDS) to recruit 1404 IDUs to the Aristotle ...
    • Article  

      Human immunodeficiency virus in injecting drug users in Europe following a reported increase of cases in Greece and Romania, 2011 

      Pharris, Anastasia; Wiessing, L.; Sfetcu, O.; Hedrich, D.; Botescu, A.; Fotiou, Anastasios; Nikolopoulos, Georgios K.; Malliori-Minerva, Melpomeni; Salminen, M.; Suk, J. E.; Griffiths, P.; Laar, M. J. van de (2011)
      Greece and Romania reported an increased number of HIV cases among injecting drug users (IDUs) during 2011. Most European countries reported no changes in the rate of newly diagnosed cases of HIV or HIV prevalence in IDUs; ...
    • Article  

      National income inequality and declining GDP growth rates are associated with increases in HIV diagnoses among people who inject drugs in Europe: A panel data analysis 

      Nikolopoulos, Georgios K.; Fotiou, Anastasios; Kanavou, Eleftheria; Richardson, C.; Detsis, Marios; Pharris, Anastasia; Suk, J. E.; Semenza, J. C.; Costa-Storti, Claudia; Paraskeva, D.; Sypsa, V.; Malliori-Minerva, Melpomeni; Friedman, Samuel R.; Hatzakis, A. (2015)
      Background: There is sparse evidence that demonstrates the association between macro-environmental processes and drug-related HIV epidemics. The present study explores the relationship between economic, socio-economic, ...
    • Article  

      Network characteristics of people who inject drugs within a new HIV epidemic following austerity in Athens, Greece 

      Tsang, M. A.; Schneider, J. A.; Sypsa, V.; Schumm, P.; Nikolopoulos, Georgios K.; Paraskeva, D.; Friedman, Samuel R.; Malliori-Minerva, Melpomeni; Hatzakis, A. (2015)
      Background: Greece experienced an unprecedented increase in HIV cases among drug injectors in 2011 after economic crisis. Network-level factors are increasingly understood to drive HIV transmission in emerging epidemics. ...
    • Article  

      A network intervention that locates and intervenes with recently HIV-infected persons: The Transmission Reduction Intervention Project (TRIP) 

      Nikolopoulos, Georgios K.; Pavlitina, E.; Muth, Stephen Q.; Schneider, J. A.; Psichogiou, M.; Williams, L. D.; Paraskeva, D.; Sypsa, V.; Magiorkinis, Gkikas; Smyrnov, P.; Korobchuk, Anya; Vasylyeva, T. I.; Skaathun, B.; Malliori-Minerva, Melpomeni; Kafetzopoulos, Evangelos; Hatzakis, A.; Friedman, Samuel R. (2016)
      Early treatment, soon after infection, reduces HIV transmissions and benefits patients. The Transmission Reduction Intervention Project (TRIP) evaluated a network intervention to detect individuals recently infected (in ...
    • 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  

      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 ...