covid-19的例句大全

Step up COVID precautions Universities in China should make sure departures of students heading home for winter vacation are staggered and make proper arrangements for those staying on campus amid increasing risks of COVID-19 cluster infections, the Ministry of Education said on Tuesday.

教育部12月1日表示，今冬明春发生局部聚集性疫情风险加大，高校放寒假要坚持“错峰”原则，安排学生分批次有序离校，妥善安排留校师生寒假生活。

Globally, more than 935000 people have been diagnosed with the new respiratory virus, which causes an illness known officially as COVID-19.

新冠病毒传播造成全球四万七千多人死亡，其中美国死亡人数至少5116人。

Researchers have also trained dogs to distinguish between positive and negative COVID-19 samples from human saliva or sweat with fairly high levels of accuracy.

研究人员也曾训练狗来分辨人类唾液和汗液样本中是否有新冠病毒，准确率相当高。

COVID-19 has fueled the boom of new technologies, new business forms and new platforms such as 5G, artificial intelligence ( AI) and smart cities, and accelerated the development of a contact-free economy like online shopping, online education and telemedicine.

疫情激发了5G、人工智能、智慧城市等新技术、新业态、新平台蓬勃兴起，网上购物、在线教育、远程医疗等“非接触经济”全面提速，为经济发展提供了新路径。

So far ， at least 19 people from outside Zhangjiajie － four in Liaoning province, five in Sichuan province, two in Chongqing, two in Beijing, two in Hunan and four in Jiangsu province － have tested positive for COVID-19.

截至目前，张家界以外地区已经有至少19人新冠病毒检测呈阳性，其中辽宁4例，四川5例，重庆2例，北京2例，湖南2例，江苏4例。