So You Got Your Antibody Test Results Back. Now What?

What to make of a positive, negative, or equivocal result

A medical worker organizes antibody tests at the Transforme Md Medical Center on April 29, 2020, in White Plains, New York. Credit: VIEW press / Contributor / Getty

The accuracy of antibody tests is still highly debatable, but they’re quickly becoming available in the U.S. These tests look for Covid-19 antibodies in the blood, which the immune system makes in response to an infection. The idea is that if you have these antibodies, you…