随着中国正在与新的 COVID-19 爆发作斗争, 新确诊的COVID-19病例中无症状患者比例的增加引起了公众的质疑. 让我们重温一下有关 COVID-19 无症状患者的一些重要信息. 问: 什么是无症状感染者? A: 无症状感染者是指肺部CT扫描无异常发现且无症状，如 …

Nucleic acid tests are conducted in Xi’an, Shaanxi province, on Wednesday. The authorities have strengthened prevention and control measures to halt the spread of the virus. [Photo by Ruan Banhui/for China Daily] Latest clusters, possibly linked to tour group, require urgent action The recent COVID-19 clusters in at least seven provinces and autonomous regions, which are suspected to be related …