One of the best ways to figure out how far a virus like COVID-19 has spread in a community is to test for it. This step-by-step guide explains how coronavirus swab-the-nose-and-throat tests work, and ...
A cost-effective one-step test that screens, detects and confirms hepatitis C virus (HCV) infections has been developed by researchers. Current blood-based HCV testing requires two steps and can be ...
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