You’ll have to give some blood, like through a finger prick. Doctors test for two kinds of antibodies to the virus that causes COVID-19. They're looking for:Current antibody tests can’t tell you if you’re immune to COVID-19. And they shouldn’t be used to diagnose the virus.
- IgM antibodies, which develop early in an infection, and
- IgG antibodies, which are more likely to show up after you’ve recovered
Readmore: COVID-19 Antibody Test