What Is the Value In Testing a Healthy Person for COVID-19?
DEAR DR. ROACH: In the coronavirus pandemic, many people are getting tested for 1) active illness and 2) antibodies. What’s the value of an asymptomatic person getting tested for an active infection? Do we even know if having antibodies gives you any protection? I’m reluctant to get tested for either if it can’t really alleviate the need to distance. What am I overlooking? — B.E. ANSWER: You weren’t missing anything. There’s really no reason to be checking for the virus (the swab test is a PCR test looking for active infection, while antibodies look for past infection) ...