diagnostic tests News

From nursing homes in New York and a landfill in Utah to Disney World and the Las Vegas Strip, employers are wrestling with workplace safety in the age of Covid-19 and making fraught calculations about how to safeguard both their …

NEW YORK — U.S. employers have cooled to the idea of testing workers for possible immunity to the coronavirus as they prepare to reopen factories and other workplaces. Blood tests that check for antibodies to the new coronavirus have been …