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For Hepatitis C , how long does it take to be detected in blood tests for antibodies and antigene blood test after exposure ?
18 أكتوبر 2014
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د. Zakia Dimassi طب الأطفال
Anti-HCV antibody detection by EIAs (enzyme immune assay) are 97% specific but cannot distinguish acute from chronic infection. The most recent third-generation EIA can yield positive results an average of 8 weeks after the onset of infection.

False-negative results for the presence of HCV antibody can occur in persons with compromised immune systems, such as those with HIV type 1 infection, or renal failure. False-positive EIA results can occur; the likelihood of a false-positive result is greater in persons without risk factors and in those without signs of liver disease, such as blood donors or health care workers.
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