The content originally appeared on: CNN (CNN)Beijing has rolled out mass Covid testing for nearly 20 million residents in most of the city, as authorities race to contain a fresh Omicron outbreak that has sparked panic buying amid fears of a Shanghai-style lockdown. The Chinese capital started testing all residents of Chaoyang, a bustling district home to the business center and foreign embassies, on Monday morning, in the first of three rounds of testing to be conducted over a five-day […]