Workers in Shanghai's Changning district put up fencing on Oct. 7, 2022, around a neighborhood lockdown after reports of new Covid cases.
BEIJING — New Covid cases are spiking across mainland China, prompting many local authorities to tighten controls on movement.
About 4.8% of China's gross domestic product was negatively affected by Covid controls as of Monday, according to a model from Nomura.
On Tuesday, many schools in the central Chinese city of Xi'an cancelled in-person classes for most students, according to a local news outlet.
A hashtag about the sudden closures was one of the top-trending items on Weibo, China's Twitter-like social media platform.