China re-imposes Covid-19 restrictions just weeks after reopening

China is starting to re-impose Covid-19 restrictions just weeks after major easing in key cities, raising concern the country may once again employ strict lockdowns to control its outbreak. 

Beijing reported 45 new local cases on Monday afternoon, after having single digit cases on most days last week. City officials said an outbreak linked to a popular bar is proving more difficult to control than previous clusters, in a weekend that saw mass testing and rising infections both in the capital and in Shanghai. 

A total of 37 cases were reported for Shanghai on Sunday, including five detected in the community. There