Viral Hepatitis Surveillance Report | CDC. 2019. https://www.cdc.gov/hepatitis/statistics/2019surveillance/index.htm. Accessed 15 Nov 2021.

Campbell CA, Canary L, Smith N, Teshale E, Ryerson AB, Ward JW. State HCV incidence and policies related to HCV preventive and treatment services for persons who inject drugs—United States, 2015–2016. MMWR Morb Mortal Wkly Rep. 2017;66:465–9.

Article  Google Scholar 

Zibbell JE, Asher AK, Patel RC, Kupronis B, Iqbal K, Ward JW, et al. Increases in acute hepatitis C virus infection related to a growing opioid epidemic and associated injection drug use, United States, 2004 to 2014. Am J Public Health. 2018;108:175–81.

Article  Google Scholar 

Pouget ER, Hagan H, Des Jarlais DC. Meta-analysis of hepatitis C seroconversion in relation to shared syringes and drug preparation equipment. Addiction NIH Public Access. 2012;107:1057–65.

Google Scholar 

Klevens RM, Hu DJ, Jiles R, Holmberg SD. Evolving epidemiology of hepatitis C virus in the United States. Clin Infect Dis. 2012;55(Suppl 1):S3-9.

Article  Google Scholar 

Zibbell JE, Iqbal K, Patel RC, Suryaprasad A, Sanders KJ, Moore-Moravian L, et al. Increases in hepatitis C virus infection related to injection drug use among persons aged ≤30 years—Kentucky, Tennessee, Virginia, and West Virginia, 2006–2012. MMWR Morb Mortal Wkly Rep. 2015;64:453–8.

Google Scholar 

Valleroy LA, Weinstein B, Jones TS, Groseclose SL, Rolfs RT, Kassler WJ. Impact of increased legal access to needles and syringes on community pharmacies’ needle and syringe sales–Connecticut, 1992–1993. J Acquir Immune Defic Syndr Hum Retrovirol. 1995;10:73–81.

Article  Google Scholar 

Deibert RJ, Goldbaum G, Parker TR, Hagan H, Marks R, Hanrahan M, et al. Increased access to unrestricted pharmacy sales of syringes in Seattle-King County, Washington: structural and individual-level changes, 1996 versus 2003. Am J Public Health. 2006;96:1347–53.

Article  Google Scholar 

Fuller CM, Ahern J, Vadnai L, Coffin PO, Galea S, Factor SH, et al. Impact of increased syringe access: preliminary findings on injection drug user syringe source, disposal, and pharmacy sales in Harlem. New York J Am Pharm Assoc. 2002;42:S77-82.

Google Scholar 

Platt L, Minozzi S, Reed J, Vickerman P, Hagan H, French C, et al. Needle syringe programmes and opioid substitution therapy for preventing hepatitis C transmission in people who inject drugs. Cochrane database Syst Rev. 2017;9:CD012021.

Google Scholar 

Friedman SR, Perlis T, Des Jarlais DC. Laws prohibiting over-the-counter syringe sales to injection drug users: relations to population density, HIV prevalence, and HIV incidence. Am J Public Health. 2001;91:791–3.

Article  Google Scholar 

Lewis CF, Rivera AV, Crawford ND, DeCuir J, Amesty S. Pharmacy-randomized intervention delivering HIV prevention services during the syringe sale to people who inject drugs in New York City. Drug Alcohol Depend. 2015;153:72–7.

Article  Google Scholar 

Vickerman P, Martin N, Turner K, Hickman M. Can needle and syringe programmes and opiate substitution therapy achieve substantial reductions in hepatitis C virus prevalence? Model projections for different epidemic settings. Addiction. 2012;107:1984–95.

Article  Google Scholar 

Sears C, Guydish JR, Weltzien EK, Lum PJ. Investigation of a secondary syringe exchange program for homeless young adult injection drug users in San Francisco, California, USA. J Acquir Immune Defic Syndr. 2001;27:193–201.

Article  Google Scholar 

Huo D, Bailey SL, Hershow RC, Ouellet L. Drug use and HIV risk practices of secondary and primary needle exchange users. AIDS Educ Prev. 2005;17:170–84.

Article  Google Scholar 

Tyndall MW, Bruneau J, Brogly S, Spittal P, O’Shaughnessy MV, Schechter MT. Satellite needle distribution among injection drug users: policy and practice in two canadian cities. J Acquir Immune Defic Syndr. 2002;31:98–105.

Article  Google Scholar 

Valente TW, Foreman RK, Junge B, Vlahov D. Satellite exchange in the Baltimore needle exchange program. Public Health Rep. 1998;113(Suppl 1):90–6.

Google Scholar 

Des Jarlais DC, Nugent A, Solberg A, Feelemyer J, Mermin J, Holtzman D. Syringe service programs for persons who inject drugs in urban, suburban, and rural areas—United States, 2013. MMWR Morb Mortal Wkly Rep. 2015;64:1337–41.

Article  Google Scholar 

Nolte K, Drew AL, Friedmann PD, Romo E, Kinney LM, Stopka TJ. Opioid initiation and injection transition in rural northern New England: a mixed-methods approach. Drug Alcohol Depend. 2020;217:108256.

Article  Google Scholar 

Stopka TJ, Jacque E, Kelso P, Guhn-Knight H, Nolte K, Hoskinson R, et al. The opioid epidemic in rural northern New England: an approach to epidemiologic, policy, and legal surveillance. Prev Med. 2019. https://doi.org/10.1016/j.ypmed.2019.05.028.

Article  Google Scholar 

Nolte K, Romo E, Stopka TJ, Drew A, Dowd P, Del Toro-Mejias L, et al. “I’ve been to more of my friends’ funerals than I’ve been to my friends’ weddings”: Witnessing and responding to overdose in rural Northern New England. J Rural Heal. 2022. https://doi.org/10.1111/jrh.12660.

Article  Google Scholar 

Heckathorn DD. Respondent-driven sampling: a new approach to the study of hidden populations. Soc Probl Narnia. 1997;44:174–99.

Article  Google Scholar 

Wang J, Falck RS, Li L, Rahman A, Carlson RG. Respondent-driven sampling in the recruitment of illicit stimulant drug users in a rural setting: findings and technical issues. Addict Behav. 2007;32:924–37.

Article  Google Scholar 

Gribble JN, Miller HG, Cooley PC, Catania JA, Pollack L, Turner CF. The impact of T-ACASI interviewing on reported drug use among men who have sex with men. Subst Use Misuse. 2000;35:869–90.

Article  Google Scholar 

Simões AA, Bastos FI, Moreira RI, Lynch KG, Metzger DS. Acceptability of audio computer-assisted self-interview (ACASI) among substance abusers seeking treatment in Rio de Janeiro. Brazil Drug Alcohol Depend. 2006;82:S103–7.

Article  Google Scholar 

Pallarés C, Carvalho-Gomes Â, Hontangas V, Conde I, Di Maira T, Aguilera V, et al. Performance of the OraQuick hepatitis C virus antibody test in oral fluid and fingerstick blood before and after treatment-induced viral clearance. J Clin Virol. 2018;102:77–83.

Article  Google Scholar 

Vanderweele TJ, Shpitser I. A new criterion for confounder selection. Biometrics. 2011;67:1406–13.

Article  Google Scholar 

VanderWeele TJ. Principles of confounder selection. Eur J Epidemiol. 2019;34:211–9.

Article  Google Scholar 

Magis-Rodríguez C, Brouwer KC, Morales S, Gayet C, Lozada R, Ortiz-Mondragón R, et al. HIV Prevalence and correlates of receptive needle sharing among injection drug users inthe mexican-US border city of tijuana. J Psychoactive Drugs. 2005;37:333–9.

Article  Google Scholar 

Stone J, Fraser H, Lim AG, Walker JG, Ward Z, MacGregor L, et al. Incarceration history and risk of HIV and hepatitis C virus acquisition among people who inject drugs: a systematic review and meta-analysis. Lancet Infect Dis. 2018;18:1397–409.

Article  Google Scholar 

Craine N, Hickman M, Parry JV, Smith J, Walker AM, Russell D, et al. Incidence of hepatitis C in drug injectors: the role of homelessness, opiate substitution treatment, equipment sharing, and community size. Epidemiol Infect. 2009;137:1255–65.

Article  Google Scholar 

Linton SL, Celentano DD, Kirk GD, Mehta SH. The longitudinal association between homelessness, injection drug use, and injection-related risk behavior among persons with a history of injection drug use in Baltimore. MD Drug Alcohol Depend Elsevier. 2013;132:457–65.

Article  Google Scholar 

Hahn J. Hepatitis C virus infection and needle exchange use among young injection drug users in San Francisco. Hepatology. 2001;34:180–7.

Article  Google Scholar 

Havens JR, Oser CB, Leukefeld CG. Injection risk behaviors among rural drug users: Implications for HIV prevention. AIDS Care Psychol Socio-Med Asp AIDS HIV. 2011;23:638–45.

Article  Google Scholar 

Woody GE, Bruce D, Korthuis PT, Chhatre S, Poole S, Hillhouse M, et al. HIV risk reduction with buprenorphine-naloxone or methadone: Findings from a randomized trial. J Acquir Immune Defic Syndr. 2014;66:288–93.

Article  Google Scholar 

Barros AJD, Hirakata VN. Alternatives for logistic regression in cross-sectional studies: An empirical comparison of models that directly estimate the prevalence ratio. BMC Med Res Methodol. 2003;3:1–13.

Article  Google Scholar 

Zou G. A modified poisson regression approach to prospective studies with binary data. Am J Epidemiol Am J Epidemiol. 2004;159:702–6.

Article  Google Scholar 

Behrends CN, Li C-S, Gibson DR. Decreased odds of injection risk behavior associated with direct versus indirect use of syringe exchange: evidence from two California cities. Subst Use Misuse NIH Public Access. 2017;52:1151–9.

Google Scholar 

Murphy S, Kelley MS, Lune H. The health benefits of secondary syringe exchange. J Drug Issues. 2004;34:245–68.

Article  Google Scholar 

Stopka TJ, Donahue A, Hutcheson M, Green TC. Nonprescription naloxone and syringe sales in the midst of opioid overdose and hepatitis C virus epidemics: Massachusetts, 2015. J Am Pharm Assoc. 2017;57:S34-44.

Article  Google Scholar 

Pollini RA, Paquette CE, Slocum S, LeMire D. ‘It’s just basically a box full of disease’—navigating sterile syringe scarcity in a rural New England state. Addiction. 2021;116:107–15.

Article  Google Scholar 

MacArthur GJ, van Velzen E, Palmateer N, Kimber J, Pharris A, Hope V, et al. Interventions to prevent HIV and hepatitis C in people who inject drugs: a review of reviews to assess evidence of effectiveness. Int J Drug Policy. 2014;25:34–52.

Article  Google Scholar 

Palmateer N, Kimber J, Hickman M, Hutchinson S, Rhodes T, Goldberg D. Evidence for the effectiveness of sterile injecting equipment provision in preventing hepatitis C and human immunodeficiency virus transmission among injecting drug users: a review of reviews. Addiction. 2010;105:844–59.

Article  Google Scholar 

Sawangjit R, Khan TM, Chaiyakunapruk N. Effectiveness of pharmacy-based needle/syringe exchange programme for people who inject drugs: a systematic review and meta-analysis. Addiction. 2017;112:236–47.

Article  Google Scholar 

Zlotorzynska M, Weidle PJ, Paz-Bailey G, Broz D. Factors associated with obtaining sterile syringes from pharmacies among persons who inject drugs in 20 US cities. Int J Drug Policy. 2018;62:51–8.

Article  Google Scholar 

Rudolph AE, Crawford ND, Ompad DC, Benjamin EO, Stern RJ, Fuller CM. Comparison of injection drug users accessing syringes from pharmacies, syringe exchange programs, and other syringe sources to inform targeted HIV prevention and intervention strategies. J Am Pharm Assoc. 2010;50:140–7.

Article  Google Scholar 

Värmå Falk M, Strömdahl S, Ekström AM, Kåberg M, Karlsson N, Dahlborn H, et al. A qualitative study of facilitators and barriers to participate in a needle exchange program for women who inject drugs. Harm Reduct J. 2020;17:84.

Article  Google Scholar 

El-Bassel N, Strathdee SA. Women who use or inject drugs: an action agenda for women-specific, multilevel, and combination HIV prevention and research. J Acquir Immune Defic Syndr. 2015;69:S182-90.

Article  Google Scholar 

Iversen J, Page K, Madden A, Maher L. HIV, HCV, and health-related harms among women who inject drugs: Implications for prevention and treatment. J Acquir Immune Defic Syndr. 2015;69:S176-81.

Article  Google Scholar