Coronavirus Disease 2019
Test for Past Infection
Updated June 25, 2020 Other Languages If you test positive
e A positive test result shows you might
have antibodies from an infection
with the virus that causes COVID-19.
However, there is a chance a positive
result means that you have antibodies
from an infection with a virus from
the same family of viruses (called
coronaviruses), such as the one that
causes the common cold.