Beijing Reports Dozen Cases of COVID – Gadget Clock Beijing officials said Sunday they had sealed off several residential communities north of the city center after two cases of COVID-19 were found. The Chinese capital is on high-alert as it prepares to host the Winter Olympics opening Friday. Another 34 cases were confirmed among athletes and others who have come for the Games, the organizing committee said. In all 211 people have tested positive among more than 8,000 who had arrived by the end of Saturday. They include a Swedish cross-country skierand a snowboarder from Slovenia. Everyone coming for the…