"\\;Lǎi lāi lái, zuō hē suǎn! Ní mēn guō lài zuō hē suǎn, kuāi yī dián!"\\; 来来来,做核酸!你们过来做核酸!快一点! (Come on, everybody! Do your test! Hurry up!)A clear but heavily accented Chinese voice reverberated through Anting New Town in suburban Jiading District last Sunday.Wearing a blue protective suit and a white raincoat, Adam Mcllmoyle, a 27-year-old Briton, was walking around in his community, wielding a megaphone to call on residents to take their COVID-19 nucleic acid test.