How do COVID-19 antibody tests differ from diagnostic tests?

I've heard about new antibody testing for COVID-19. What is antibody testing? Is it the same as testing to diagnose COVID-19? Answer: With all the talk about coronavirus disease 2019 (COVID-19) testing in the news, it's not surprising that there's confusion about tests and how they differ. Antibody testing determines whether you had COVID-19 in the past [...]
Source: News from Mayo Clinic - Category: Databases & Libraries Source Type: news