T. Khoby, The role of parenteral antischistosomal therapy in the spread of hepatitis C virus in Egypt, Lancet, vol.355, pp.887-891, 2000.

J. Wong, G. Mcquillan, J. Mchutchison, and T. Poynard, Estimating future hepatitis C morbidity, mortality, and costs in the United States, Am J Public Health, vol.90, pp.1562-1569, 2000.

J. Salomon, M. Weinstein, J. Hammitt, and S. Goldie, Cost-effectiveness of Treatment for Chronic Hepatitis C Infection in an Evolving Patient Population, JAMA, vol.290, issue.2, pp.228-237, 2003.
DOI : 10.1001/jama.290.2.228

R. Carithers, J. Sugano, D. Bayliss, and M. , Health assessment for chronic HCV infection, Digestive Diseases and Sciences, vol.19, issue.S12, pp.75-80, 1996.
DOI : 10.1007/BF02087879

C. Hunt, J. Dominitz, B. Bute, B. Waters, U. Blasi et al., Effect of interferon-alpha treatment of chronic hepatitis C on health-related quality of life, Digestive Diseases and Sciences, vol.42, issue.12, pp.2482-2486, 1997.
DOI : 10.1023/A:1018852309885

M. Bayliss, B. Gandek, K. Bungay, D. Sugano, M. Hsu et al., A questionnaire to assess the generic and disease-specific health outcomes of patients with chronic hepatitis C, Quality of Life Research, vol.7, issue.1, pp.39-55, 1998.
DOI : 10.1023/A:1008884805251

G. Foster, R. Goldin, and H. Thomas, Chronic hepatitis C virus infection causes a significant reduction in quality of life in the absence of cirrhosis, Hepatology, vol.166, issue.1, pp.209-212, 1998.
DOI : 10.1002/hep.510270132

H. Bonkovsky and J. Woolley, Reduction of health-related quality of life in chronic hepatitis C and improvement with interferon therapy.The Consensus Interferon Study Group

J. Ware, J. Bayliss, M. Mannocchia, M. Davis, and G. , Health-related quality of life in chronic hepatitis C: Impact of disease and treatment response, Hepatology, vol.349, issue.2, pp.550-555, 1999.
DOI : 10.1002/hep.510300203

A. Rodger, D. Jolley, S. Thompson, A. Lanigan, and N. Crofts, The impact of diagnosis of hepatitis C virus on quality of life, Hepatology, vol.116, issue.5, pp.1299-1301, 1999.
DOI : 10.1002/hep.510300504

K. Hussain, R. Fontana, C. Moyer, G. Su, N. Sneed-pee et al., Comorbid illness is an important determinant of health-related quality of life in patients with chronic hepatitis C, The American Journal of Gastroenterology, vol.53, issue.9, pp.2737-2744, 2001.
DOI : 10.1016/0306-4603(95)00025-8

J. Mchutchison, J. Ware, J. Bayliss, M. Pianko, S. Albrecht et al., The effects of interferon alpha-2b in combination with ribavirin on health related quality of life and work productivity, Journal of Hepatology, vol.34, issue.1, pp.140-147, 2001.
DOI : 10.1016/S0168-8278(00)00026-X

Z. Younossi, N. Boparai, L. Price, M. Kiwi, M. Mccormick et al., Health-related quality of life in chronic liver disease: the impact of type and severity of disease, The American Journal of Gastroenterology, vol.120, issue.3, pp.2199-2205, 2001.
DOI : 10.1056/NEJM199611213352107

J. Cordoba, J. Reyes, J. Esteban, and J. Hernandez, Labeling may be an important cause of reduced quality of life in chronic hepatitis C, The American Journal of Gastroenterology, vol.98, issue.1, pp.226-227, 2003.
DOI : 10.1016/S0002-9270(02)05863-X

B. Gandek, J. Ware, N. Aaronson, G. Apolone, J. Bjorner et al., Cross-Validation of Item Selection and Scoring for the SF-12 Health Survey in Nine Countries, Journal of Clinical Epidemiology, vol.51, issue.11, pp.1171-1178, 1998.
DOI : 10.1016/S0895-4356(98)00109-7

A. Tarlov, J. Ware, J. Greenfield, S. Nelson, E. Perrin et al., The Medical Outcomes Study. An application of methods for monitoring the results of medical care, JAMA: The Journal of the American Medical Association, vol.262, issue.7
DOI : 10.1001/jama.262.7.925

J. Ware, J. Kosinski, M. Keller, and S. , A 12-Item Short-Form Health Survey, Medical Care, vol.34, issue.3, pp.220-233, 1996.
DOI : 10.1097/00005650-199603000-00003

J. Nunnally, I. Bernstein, M. Sanon, J. Sommerfeld, and R. Wurthwein, Psychometric theory Obtaining disability weights in rural Burkina Faso using a culturally adapted visual analogue scale, Baltussen RM Health Econ, vol.2311, pp.155-163, 1994.

W. Hollingworth, R. Deyo, S. Sullivan, S. Emerson, D. Gray et al., The practicality and validity of directly elicited and SF-36 derived health state preferences in patients with low back pain, Health Economics, vol.13, issue.1, pp.71-85, 2002.
DOI : 10.1002/hec.650

M. Abdel-hamid, D. Edelman, W. Highsmith, and N. Constantine, Optimization, assessment, and proposed use of a direct nested reverse transcription-polymerase chain reaction protocol for the detection of hepatitis C virus, J Hum Virol, vol.1, pp.58-65, 1997.

T. Poynard, P. Bedossa, and P. Opolon, Natural history of liver fibrosis progression in patients with chronic hepatitis C, The Lancet, vol.349, issue.9055, pp.825-832, 1997.
DOI : 10.1016/S0140-6736(96)07642-8

E. Kenny-walsh, Clinical outcomes after hepatitis C infection from contaminated

D. Immune-globulin, Irish Hepatology Research Group, N Engl J Med, vol.340, pp.1228-1233, 1999.

S. Deuffic, L. Buffat, T. Poynard, and A. Valleron, Modeling the hepatitis C virus epidemic in france, Hepatology, vol.352, issue.5, pp.1596-1601, 1999.
DOI : 10.1002/hep.510290528

J. Ware, . Jr, M. Kosinski, D. Rturner-bowker, and B. Gandek, How to Score Version

H. Alter, C. Conry-cantilena, J. Melpolder, D. Tan, M. Van-raden et al., With a Supplement Documenting Version 1) Lincoln, RI: QualityMetric Incorporated Hepatitis C in asymptomatic blood donors Infection with hepatitis B and C viruses, social class and cancer, of the SF-12 Health Survey, pp.29-33, 1997.

J. Johnson and S. Coons, Comparison of the EQ-5D and SF-12 in an adult US sample

L. Lim and J. Fisher, Use of the 12-item Short-Form (SF-12) Health Survey in an Australian heart and stroke population, Quality of Life Research, vol.8, issue.1/2, pp.1-8, 1999.
DOI : 10.1023/A:1026409226544

M. Sprangers, E. De-regt, F. Andries, H. Van-agt, R. Bijl et al., Which chronic conditions are associated with better or poorer quality of life?, Journal of Clinical Epidemiology, vol.53, issue.9, pp.895-907, 2000.
DOI : 10.1016/S0895-4356(00)00204-3

R. Fontana, K. Hussain, S. Schwartz, C. Moyer, G. Su et al., Emotional distress in chronic hepatitis C patients not receiving antiviral therapy, Journal of Hepatology, vol.36, issue.3, pp.401-407, 2002.
DOI : 10.1016/S0168-8278(01)00280-X

S. Zickmund, E. Ho, M. Masuda, L. Ippolito, and D. Labrecque, ???They treated me like a leper???, Journal of General Internal Medicine, vol.11, issue.10, pp.835-844, 2003.
DOI : 10.1046/j.1525-1497.2003.20826.x

J. Ware, J. Gandek, B. Kosinski, M. Aaronson, N. Apolone et al., The Equivalence of SF-36 Summary Health Scores Estimated Using Standard and Country-Specific Algorithms in 10 Countries, Journal of Clinical Epidemiology, vol.51, issue.11, pp.1167-1170, 1998.
DOI : 10.1016/S0895-4356(98)00108-5

G. Unal, J. De-boer, G. Borsboom, J. Brouwer, M. Essink-bot et al., A psychometric comparison of health-related quality of life measures in chronic liver disease, Journal of Clinical Epidemiology, vol.54, issue.6, pp.587-596, 2001.
DOI : 10.1016/S0895-4356(00)00372-3

M. Weinberger, E. Oddone, G. Samsa, and P. Landsman, Are health-related

R. Lyons, K. Wareham, M. Lucas, D. Price, J. Williams et al., SF-36 scores vary by method of administration: implications for study design, Journal of Public Health, vol.21, issue.1, pp.41-45, 1999.
DOI : 10.1093/pubmed/21.1.41

J. Salomon, M. Weinstein, J. Hammitt, and S. Goldie, Empirically Calibrated Model of Hepatitis C Virus Infection in the United States, American Journal of Epidemiology, vol.156, issue.8, pp.761-773, 2002.
DOI : 10.1093/aje/kwf100

T. Poynard, M. Yuen, V. Ratziu, and C. Lai, Viral hepatitis C, The Lancet, vol.362, issue.9401, 2003.
DOI : 10.1016/S0140-6736(03)15109-4