As more COVID-19 antibody testing becomes available, one question has been on everybody’s mind: Does the presence of antibodies to SARS-CoV-2, the virus responsible for the global pandemic, mean that people are protected from future infection? To that end, Genscript Biotech Corp., of Piscataway, N.J., has applied for emergency use authorization (EUA) with the U.S. FDA to market a test that specifically recognizes neutralizing antibodies to SARS-CoV-2.