Cheap, rapid at-home testing for Covid-19 could take weeks or months

Cheap, rapid at-home testing for Covid-19 could take weeks or months

A health worker processes a Covid-19 antibody test for a patient at the Diagnostic and Wellness Center in Torrance, California, on May 5, 2020. Valerie Macon | AFP | Getty Images Medical experts say that consumers will need to test themselves in huge numbers for...