Mount Sinai develops antibody test for COVID-19

An antibody-based assay from the Icahn School of Medicine at Mount Sinai could help epidemiologists better determine how and where COVID-19 is spreading, and how many people have been infected. It could also find donors of convalescent sera to treat or prevent the infection.

While the PCR-based tests for COVID-19 detect active infection with SARS-CoV-2, the long-lived nature of antibodies means Mount Sinai’s test should also be able to identify individuals who have recovered from infection, including those who never developed symptoms. ...