ABT serology test - blood based antibody test - for covid-19 is the best I have seen overall so far, 100% sensitivity and 99.5% specificity. This type of sensitivity and specificity is needed for large population with currently estimated prevalence. ABT PR: https://abbott.mediaroom.com/2020-04-15-Abbott-Launches-Third-COVID-19-Test-a-Laboratory-Based-Antibody-Blood-Test-That-Will-Ship-in-the-U-S-Starting-Tomorrow Other serology tests: https://twitter.com/andybiotech/status/1249687787126902784?s=21 Reason why at least 99% sensitivity/specificity is really needed for covid-19: https://twitter.com/lcwheeler9000/status/1248781564852363265?s=21