Perhaps the most important question now about COVID-19 is the degree to which a prior infection protects from a second infection by the new coronavirus. This affects vaccine development and herd immunity and is something for each of us to consider as antibody tests are now available.
I am a physician scientist and have a Ph.D. in microbiology as well as an M.D. My clinical specialty is internal medicine and I subspecialize in infectious diseases. I am working on one approach to COVID-19 vaccination while also caring for hospitalized patients.
Here are my responses to common questions surrounding tests and what they can tell you about immunity.
