All the nucleic acid tests of the 8,717 contacts and 524 environmental samples related to the confirmed COVID-19 case in Shanghai returned negative results: Shanghai health authority
By Global Times Published: Nov 10, 2020 07:23 AM
File Photo: Xinhua
All the nucleic acid tests of the 8,717 contacts and 524 environmental samples related to the
confirmed COVID19 case in Shanghai returned negative results: Shanghai health authority.