北京用大数据锁定35万人筛查病毒？谣言

















































北京用大数据锁定35万人筛查病毒？谣言

















































wechat rumors spread that beijing uses big data to target 350,000 people for viruses
beijing uses big data to target 350,000 people for viruses? rumor

















































claims beijing uses big data to target people
general public
coronavirus, beijing, big data, target, wechat, alipay