从 0: 00 到 24: 00 on November 4, a new case of confirmed re-positive pneumonia in COVID-19 was reported in Beijing; There are no newly reported locally confirmed cases, suspected cases and asymptomatic infected persons. Jane doe, 31, born in Hubei, works in Sweden. Fever occurred on October 11-12, 2020. 在十月 14, 2020, she was treated in a …

结合全面的流行病学调查和大数据分析, 研究人员透露，北京新发地市场集中疫情的病毒来源极有可能是境外疫区的冷链进口食品, 并提出冷链运输可能是SARS-CoV-2传播的新途径. 在六月 11, 2020, 一个案例 …