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NEW: NYC Health Dept has sent alert to all medical providers advising *not* to use anti-body tests to diagnose prior covid infection nor to assess immunity.

This is due to high rate of false negatives/positives and uncertainty about how immunity works.

Dose of reality folks. Image
Anti-body tests do, however, remain extremely useful to determine whether volunteers can donate plasma to patients still battling covid.
You can read the full Health Dept alert here: www1.nyc.gov/assets/doh/dow…
Bottom line:

There is some irrational exuberance on antibody tests.

They are useful for tracking trends in the general population, but should *not* be used to make personal health decisions.
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