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Northwestern team develops new antibody test for COVID-19.

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Antibody tests are useful for determining prior exposure to a virus, like the one that causes COVID-19. But current approaches to antibody testing have significant limitations: Point-of-care tests using finger stick blood are qualitative and often inaccurate, while more precise lab-based tests require venous blood. The Northwestern team has developed an approach that combines the convenience of finger stick blood sampling in the home with the analytical rigor that can be applied in the lab.

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