test and then back in. reporter: stores and restaurants that have had one case pass through are treated like a crime scene, roped off and disinfected. since confirming its first omicron case in mid-december, mainland china s average daily case count has surged from double-digits to more than 5,000. there are more than 65,000 active cases and counting. the virus has spread to 29 provinces and regions. the lockdowns and mass testing bring life to a near halt in many place, and could have global economic impacts. chi china locked down. silicon shenzhen is only just reopening after putting 17 million residents under lockdown for a week. back in shanghai, this latest lockdown is forcing tesla s gigafactory to hit the brakes on production, and it s already caused shanghai disneyland to shut its gates. this bustling metropoulos