Abstract
An enzyme immunoassay (EIA) was developed in-house for the detection of anti-hepatitis C virus (HCV) antibody against the prevailing genotypes in India. The specific reactivity of the test was compared with commercial second and third-generation EIAs and reverse transcription nested polymerase chain reaction (RT-nested PCR). Fifteen thousand nine hundred twenty-two healthy blood donors at the All India Institute of Medical Sciences (AIIMS), New Delhi, India, were screened for anti-HCV antibody. Two hundred ninety-five (1.85%) of these donors were positive. The screening was also used to determine how many patients with acute hepatitis and chronic liver diseases were positive for anti-HCV antibody. Five hundred sixty-four chronic liver disease patients were screened for anti-HCV antibody and 78 (13.83%) were found positive. Two hundred forty-seven sporadic acute viral hepatitis patients were screened for viral infection markers. Hepatitis B and E viruses (HBV and HEV) were the major etiologic agents. HCV was associated with 9% of the acute cases. Anti-HCV core IgM with HCV RNA detection were found to be helpful for the diagnosis of acute HCV infection.
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