According to MedlinePlus, "Most people with hepatitis C infection have the chronic form. Patients with genotypes 2 or 3 are more likely to respond to treatment than patients with genotype 1. The chance of removing the hepatitis C virus from the blood with treatment is over 90% for some people. Even if treatment does not remove the virus, it can reduce the chance of severe liver disease. Many doctors use the term "sustained virologic response" rather than "cure" when the virus is removed from the blood, because it is not known whether this will last a person's entire life.
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