April 6 phone call, scientists told members of the WH Office of Science and Technology Policy there are issues with the availability and reliability of the antibody tests in the United States right now. cnn.com/2020/04/14/hea…
First, the FDA relaxed its rules, and now companies can sell antibody tests without submitting validation data that shows they actually work.
“It's like the wild, wild West out there -- or wild East," said association CEO Scott Becker, a reference to the fact that at least half the companies making these tests are in China.
There has been concern that some of the tests might confuse the coronavirus causing the current pandemic with one of several coronaviruses that cause the common cold
"Lots of tests confuse the two,"
The tests would then end up telling people they had antibodies to
Results from antibody tests shld be viewed as suspect until rigorous controls are perf and performance charact described and most so far have not described well-standardized controls
Third, it's not entirely clear that having antibodies to Covid-19 means that you truly have immunity and won't get the disease again.