In this video, we take a look at COVID-19 antibody tests, which can reveal whether someone was previously infected with the novel coronavirus — and explain why a positive or negative result may not always be so easy to interpret.
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FactCheck.org’s SciCheck feature focuses exclusively on false and misleading scientific claims that are made by partisans to influence public policy. It was launched in January 2015 with a grant from the Stanton Foundation. The foundation was founded by the late Frank Stanton, president of CBS for 25 years, from 1946 to 1971.