Clinical Question: What is the role of serology testing in the COVID-19 pandemic?
Bottom Line: IgM and IgG antibodies may reveal an individual’s recent (after ~2 weeks) exposure to COVID-19. How long serology remains positive and whether antibodies confer immunity to subsequent infection is unknown. Many different tests exist, each with different accuracy. Current evidence does not support routine use of serology testing in COVID-19 management.
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