it first emerged. it worked — china's official death toll from the virus stands at just 5,700. but as beijing prepares to host the winter olympics next month, it's turned to extreme measures again in the fight to maintain its strict zero covid—19 policy. 0ur china correspondent robin brant reports. 27 days into lockdown, confined to her apartment. hello... sandlin is one of millions in china still subject to the ultimate covid control. when covid hit wuhan, the country didn't have much experience dealing with the outbreak. but now it's different. it's better. she's in xian, a city famous for its motionless army of terracotta warriors, but normal life for 13 million people there has come to a halt. there's fresh evidence, too, that some people have just had enough.