Using the protocol with the high signal to cut-off ratio, a patient's sample was tested three times by HCV EIA with a high single to cut-off ratio. The next step is to

Question

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A high signal to cut-off ratio in an HCV EIA test suggests a strong likelihood of HCV infection, but confirmation with a molecular-based test (such as HCV RNA PCR) is necessary to confirm active infection.

Using the Protocol with the High Signal to Cut-Off Ratio