About the Authors

Rachel Sacks-Davis

rachelsd@burnet.edu.au

Affiliations Centre for Population Health, Burnet Institute, Melbourne, Victoria, Australia, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia, Centre for Research Excellence in Injecting Drug Use, Burnet Institute, Melbourne, Victoria, Australia

Galina Daraganova

Affiliation Psychological Sciences, University of Melbourne, Parkville, Victoria, Australia

Campbell Aitken

Affiliations Centre for Population Health, Burnet Institute, Melbourne, Victoria, Australia, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia, Centre for Research Excellence in Injecting Drug Use, Burnet Institute, Melbourne, Victoria, Australia

Peter Higgs

Affiliations Centre for Population Health, Burnet Institute, Melbourne, Victoria, Australia, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia, Centre for Research Excellence in Injecting Drug Use, Burnet Institute, Melbourne, Victoria, Australia, The Kirby Institute for Infection and Immunity in Society, University of New South Wales, Darlinghurst, New South Wales, Australia

Lilly Tracy

Affiliation Victorian Infectious Diseases Reference Laboratory, North Melbourne, Victoria, Australia

Scott Bowden

Affiliation Victorian Infectious Diseases Reference Laboratory, North Melbourne, Victoria, Australia

Rebecca Jenkinson

Affiliations Centre for Population Health, Burnet Institute, Melbourne, Victoria, Australia, Centre for Research Excellence in Injecting Drug Use, Burnet Institute, Melbourne, Victoria, Australia

David Rolls

Affiliation Psychological Sciences, University of Melbourne, Parkville, Victoria, Australia

Philippa Pattison

Affiliation Psychological Sciences, University of Melbourne, Parkville, Victoria, Australia

Garry Robins

Affiliation Psychological Sciences, University of Melbourne, Parkville, Victoria, Australia

Jason Grebely

Affiliation The Kirby Institute for Infection and Immunity in Society, University of New South Wales, Darlinghurst, New South Wales, Australia

Alyssa Barry

Affiliations Division of Infection and Immunity, Walter and Eliza Hall Institute, Parkville, Victoria, Australia, Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia

Margaret Hellard

Affiliations Centre for Population Health, Burnet Institute, Melbourne, Victoria, Australia, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia, Centre for Research Excellence in Injecting Drug Use, Burnet Institute, Melbourne, Victoria, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RSD CA PH SB PP GR AB MH. Analyzed the data: RSD GD. Wrote the paper: RSD. Managed the data: RSD RJ CA LT. Supervised the data analysis: CA PP GR JG AB MH. Read and contributed to the manuscript: GD CA PH LT SB RJ DR PP GR JG AB MH. Coordinated the field work: PH. Conducted HCV antibody and qualitative PCR tests and genetic sequencing: LT. Supervised the HCV antibody and qualitative PCR tests and genetic sequencing: SB. Coordinated the social network analyses: DR.