In the fight against hepatitis C, directing preventive and curative interventions towards sufferers of chronic diseases requiring regular medical care would be an effective means of reducing transmission of the hepatitis C virus (HCV) in Egypt, and undoubtedly also in other countries with limited resources. This theory has arisen from a mathematical modeling study carried out as part of the ANRS 1211 study, conducted jointly by scientists at the Institut Pasteur, the CNAM and their fellow scientists in Egypt.