At least nine hospitals suspended out-patient and emergency medical services in Shanghai on Friday following three confirmed domestically transmitted COVID-19 cases on Thursday after about three months of zero local infections. Also on Thursday, two silent carriers in Hangzhou, in East China's Zhejiang Province and one confirmed case in Xuzhou in East China's Jiangsu Province were reported. Epidemiological investigation found the six cases were close contacts. The latest flare-up in...