• After you're first exposed to an illness, the body remembers it and produces antibodies against that infection the next time you exposed.
  • A blood test to check for COVID-19 antibodies will soon be on the market. You'll need a doctor's prescription to get it done.
  • Precision and accuracy of an antibody test depends on who is interpreting the test.
  • Antibody testing results will provide data to help researchers  better understand the future course of the pandemic.