IFNA2 and cryohydrocytosis: In 1999, the EASL International Consensus Conference on Hepatitis C recommended that, for patients with CHC who have not been previously treated, (a) standard therapy should consist of IFN-α and ribavirin in combination for 24 weeks and that (b) treatment should be extended to 48 weeks in patients with both HCV-1 and HCV RNA levels greater than 2 × 106 copies/mL [31].