By Tracy Qu
China’s first-tier cities, from Shanghai in the east to Shenzhen in the south, are racing to tamp down the country’s latest Covid-19 wave, with more than 1,500 new cases reported nationwide on Saturday.Shanghai is battling a surge in local asymptomatic infections, which accounted for 78 of the 83 new cases reported on Saturday, with the rapid spread sparking rumours of a citywide lockdown.This came as more than a dozen provinces reported confirmed cases, including Shandong in the east,…
