F.D.A. Orders Companies to Submit Antibody Test Data

So far, little is known about whether those who became ill will develop immunity and, if so, for how long, and that leaves the value of antibody tests still uncertain. Around the globe, government and health officials have hoped that antibody tests would be a critical tool to help determine when it would be safe to lift stay-at-home restrictions and reopen businesses. The tests might also be used to identify potential donors of “convalescent plasma,” an approach in which blood plasma containing antibodies from a recovered individual is used to treat a Covid-19 patient, the F.D.A. said.

Article source: https://www.nytimes.com/2020/05/04/health/fda-antibody-tests-coronavirus.html