An antibody-based assay from a Icahn School of Medicine at Mount Sinai could help determine how and where #COVID19 is spreading, and how many people have been infected. It could also find donors of convalescent sera to treat or prevent the infection. https://t.co/DUuOQl4rf9 pic.twitter.com/dVteXyr7xo

— steve usdin (@steveusdin1) March 20, 2020