Antibody tests used to determine if people have been infected in the past with COVID-19 might be wrong up to half the time, the U.S. Centers for Disease Control and Prevention said in rectified figures posted on its website.
Antibody tests used to determine if people have been infected in the past with COVID-19 might be wrong up to half the time, the U.S. Centers for Disease Control and Prevention said in rectified figures posted on its website.