https://www.fda.gov/medical-devices/coronavirus-disease-2019-covid-19-emergency-use-authorizations-medical-devices/eua-authorized-serology-test-performance
The FDA lists two dozen tests with different sensitivity and specificity characteristics, different sample sizes, and different 95% CIs. Some of these tests are clear losers (lower bound on sensitivity CI ~75%!), but are there any clear winners?