CDC now saying antibody tests shouldn’t be used for determining individual immunity; In certain scenarios ‘less than half of those testing positive will truly have antibodies’

Tommy Beer / Forbes
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Context

FDA warns that Abbot’s rapid COVID-19 can return false negatives; Abbot claims test is being used improperly, launching new accuracy studies (Matthew Herper / STAT)
Unreviewed NYU study shows Abbot’s rapid coronavirus test missed between 33% – 48% of positive cases (Michelle Fay Cortez, Robert Langreth, Kristen V Brown / Bloomberg)