Health workers at a hospital across a residential area under lockdown due to Covid-19 in Beijing on May 22. Beijing and Tianjin continue to ramp up Covid restrictions as cases climb, while reopening in Shanghai looks to be taking place in fits and starts, with most people still unable to move about freely. The emergence of the highly contagious omicron variant has spurred increasingly stringent pandemic curbs in China since March, in some cases snap lockdowns that carried heavy costs for the local population and economy. The pattern of transmission and restrictions across the country could offer insight into what regions may be vulnerable to disruption in the days ahead. Nationwide, overall cases are trending down. Of China’s top 50 cities by economic size, only Beijing, Tianjin and Shanghai currently have widespread restrictions in place. Covid-19 data for Sunday, May 22 Eighteen of China’s 31 mainland provinces have had […]