References
- World Health Organization. Hepatitis C. Geneva: WHO; 2014. Available at: http://www.who.int/mediacentre/factsheets/fs164/en/. (accessed 12 June 2014).
- Lavanchy D. The global burden of hepatitis C. Liver Int 2009;29(Suppl 1):74–81.
- Christensen PB, Hay G, Jepsen P, Omland LH, Just SA, Krarup HB, et al. Hepatitis C prevalence in Denmark—an estimate based on multiple national registers. BMC Infect Dis 2012;12:178.
- Saiz de la Hoya P, Bedia M, Murcia J, Cebria J, Sanchez-Paya J, Portilla J. Predictive markers of HIV and HCV infection and co-infection among inmates in a Spanish prison. Enferm Infecc Microbiol Clin 2005;23:53–7.
- Edlin BR, Carden MR. Injection drug users: the overlooked core of the hepatitis C epidemic. Clin Infect Dis 2006;42: 673–6.
- Stroffolini T, D’Egidio PF, Aceti A, Filippini P, Puoti M, Leonardi C, et al. Hepatitis C virus infection among drug addicts in Italy. J Med Virol 2012;84:1608–12.
- Macias J, Berenguer J, Japon MA, Giron JA, Rivero A, Lopez-Cortes LF, et al. Fast fibrosis progression between repeated liver biopsies in patients coinfected with human immunodeficiency virus/hepatitis C virus. Hepatology 2009; 50:1056–63.
- Bukhtiari N, Hussain T, Iqbal M, Malik AM, Qureshi AH, Hussain A. Hepatitis B and C single and co-infection in chronic liver disease and their effect on the disease pattern. J Pak Med Assoc 2003;53:136–40.
- Sagnelli E, Coppola N, Messina V, Di Caprio D, Marrocco C, Marotta A, et al. HBV superinfection in hepatitis C virus chronic carriers, viral interaction, and clinical course. Hepatology 2002;36:1285–91.
- Keeffe EB. Hepatitis A and B superimposed on chronic liver disease: vaccine-preventable diseases. Trans Am Clin Climatol Assoc 2006;117:227–37; discussion 237–8.
- Sagnelli E, Coppola N, Pisaturo M, Masiello A, Tonziello G, Sagnelli C, et al. HBV superinfection in HCV chronic carriers: a disease that is frequently severe but associated with the eradication of HCV. Hepatology 2009;49:1090–7.
- Deterding K, Tegtmeyer B, Cornberg M, Hadem J, Potthoff A, Boker KH, et al. Hepatitis A virus infection suppresses hepatitis C virus replication and may lead to clearance of HCV. J Hepatol 2006;45:770–8.
- Christensen PB, Clausen MR, Krarup H, Laursen AL, Schlichting P, Weis N. Treatment for hepatitis B virus (HBV) and hepatitis C virus (HCV) infection—Danish national guidelines 2011. Dan Med J 2012;59:C4465.
- EASL Clinical Practice Guidelines: management of hepatitis C virus infection. J Hepatol 2011;55:245–64.
- Rasmussen L. L HSE. Notice of free hepatitis vaccination for special vulnerable groups. Denmark: Ministry of the Interior and Health; 2006. Available at: http://www.retsinformation.dk/Forms/R0710.aspx?id = 10272 (accessed 15 March 2014).
- Infcare Hepatitis DK steering committee. Clinical HBV/HCV quality assurance report. Denmark; 2011. Available at: http://www.hepatitis.dk/media/76479/Klinisk_HBV_og_HCV_Kvalitetssikringsrapport.PDF2011 (accessed 5 May 2014).
- Danish Health and Medicines Authority. Guidance on the prevention of viral hepatitis. Denmark; 2002. Available at: http://sundhedsstyrelsen.dk/publ/publ2002/hepatitis/html/hele.pdf (accessed 12 april 2013).
- Christensen PB, Kringsholm B, Banner J, Thomsen JL, Cowan S, Stein GF, et al. Surveillance of HIV and viral hepatitis by analysis of samples from drug related deaths. Eur J Epidemiol 2006;21:383–7.
- Larsen MV, Omland LH, Gerstoft J, Larsen CS, Jensen J, Obel N, et al. Impact of injecting drug use on mortality in Danish HIV-infected patients: a nation-wide population-based cohort study. Addiction 2010;105:529–35.
- Koike K. [Co-infection of HIV with HCV and HBV]. Nihon Rinsho 2010;68:497–501.
- Soriano V, Vispo E, Labarga P, Medrano J, Barreiro P. Viral hepatitis and HIV co-infection. Antiviral Res 2010; 85:303–15.
- Moorman JP, Zhang CL, Ni L, Ma CJ, Zhang Y, Wu XY, et al. Impaired hepatitis B vaccine responses during chronic hepatitis C infection: involvement of the PD-1 pathway in regulating CD4(+) T cell responses. Vaccine 2011;29:3169–76.
- Buxton JA, Kim JH. Hepatitis A and hepatitis B vaccination responses in persons with chronic hepatitis C infections: a review of the evidence and current recommendations. Can J Infect Dis Med Microbiol 2008;19:197–202.
- Wiedmann M, Liebert UG, Oesen U, Porst H, Wiese M, Schroeder S, et al. Decreased immunogenicity of recombinant hepatitis B vaccine in chronic hepatitis C. Hepatology 2000;31:230–4.
- Lefforge NL, Donohue B, Strada MJ. Improving session attendance in mental health and substance abuse settings: a review of controlled studies. Behav Ther 2007; 38:1–22.
- Campbell JV, Garfein RS, Thiede H, Hagan H, Ouellet LJ, Golub ET, et al. Convenience is the key to hepatitis A and B vaccination uptake among young adult injection drug users. Drug Alcohol Depend 2007;91(Suppl 1): S64–72.