(May 19, 2021, 11:11 AM EDT) -- GREENSBORO, N.C. — A North Carolina nursing home operated under a business plan that involved “severe systematic understaffing” that predated the coronavirus pandemic and led to one of the largest outbreaks once the pandemic hit, residents and members of residents’ families allege in a class complaint and a motion for class certification filed May 17 in a federal court in North Carolina....