Authorities in Shanghai have again tightened anti-virus restrictions, just as the city was emerging from a month of strict lockdown due to a COVID-19 outbreak. Notices issued in several districts said residents were ordered to stay home and are barred from receiving nonessential deliveries as part of a “quiet period” lasting at least until Wednesday. The tightened measures could be extended depending on the results of mass testing, the notices said. “Thank you for your understanding and cooperation. Together we can lift the lockdown at an early date,” said one notice issued in the city’s Huangpu district and posted online. It wasn’t clear what prompted the renewed tightening, with numbers of new COVID-19 cases in the city continuing to fall. Shanghai on Monday reported 3,947 cases over the previous 24 hours, almost all of them without symptoms, along with 11 deaths. Authorities have been gradually lifting […]