>>How do you expect to control for the world-wide psychosocial impact of the pandemic? You use antibody tests to find undiagnosed prior cases, where the patien

>>How do you expect to control for the world-wide psychosocial impact of the pandemic? You use antibody tests to find undiagnosed prior cases, where the patient was unaware they had it during their infection. Then you can compare those who had COVID, without the associated psychosocial impact and two week isolation, to those who did not, to try to determine what long-term impact COVID has.