New antibody tests offer better snapshot of Covid-19 immunity

Antibodies are markers of infection, and testing for them helps health officials see how widely the virus has spread. Until now, most tests could tell only whether they’re present. The newer ones go a step further, measuring the quantity of these proteins, which are raised by the immune system to disable viral invaders.

from Healthcare/Biotech-Industry-Economic Times https://ift.tt/34t7TqN
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