（9）1月23日，中国科学院武汉病毒研究所、武汉市金银潭医院、湖北省疾病预防控制中心研究团队发现新冠病毒的全基因组序列与SARS－CoV的序列一致性有79.5%。国家微生物科学数据中心和国家病原微生物资源库共同建成“新型冠状病毒国家科技资源服务系统”，发布新冠病毒第一张电子显微镜照片和毒株信息。

　　（10）1月24日开始，从各地和军队调集346支国家医疗队、4.26万名医务人员和965名公共卫生人员驰援湖北省和武汉市。

(9) January 23: Researchers of the WIV, Wuhan Jinyintan Hospital and the Hubei Provincial CDC discovered that the whole genome sequence of the 2019-nCoV shares 79.5 percent of the SARS-CoV sequence.

The Novel Coronavirus National Science and Technology Resource Service System, jointly set up by the National Microbiology Data Center and the National Pathogen Resource Collection Center, released the first electron microscope image of the virus and its strain information.

(10)January 24: Dispatch of national medical teams to Hubei and Wuhan began. In the ensuing period, a total of 346 medical teams composed of 42,600 medical workers and 965 public health workers from across the country and the armed forces were dispatched.

　　（11）1月25日，中共中央总书记习近平主持召开中共中央政治局常务委员会会议，明确提出“坚定信心、同舟共济、科学防治、精准施策”总要求，强调坚决打赢疫情防控阻击战；指出湖北省要把疫情防控工作作为当前头等大事，采取更严格的措施，内防扩散、外防输出；强调要按照集中患者、集中专家、集中资源、集中救治“四集中”原则，将重症病例集中到综合力量强的定点医疗机构进行救治，及时收治所有确诊病人。会议决定，中共中央成立应对疫情工作领导小组，在中央政治局常务委员会领导下开展工作；中共中央向湖北等疫情严重地区派出指导组，推动有关地方全面加强防控一线工作。

　　（12）1月25日，国家卫生健康委发布通用、旅游、家庭、公共场所、公共交通工具、居家观察等6个公众预防指南。

(11)January 25: Xi Jinping chaired a meeting of the Standing Committee of the Political Bureau of the CPC Central Committee. He called for resolute efforts to win the battle to contain the virus with “confidence and solidarity, a science-based approach and targeted measures”. He urged Hubei to make epidemic control its top priority and apply more rigorous measures to stem the spread of the virus within the province and beyond. All confirmed patients, he said, must be hospitalized without delay, and severe cases must be sent to designated hospitals with sufficient medical resources so that they could be treated by medical experts. A decision was taken at the meeting that the central Party leadership would set up a leading group for novel coronavirus prevention and control under the Standing Committee of the Political Bureau. It was also decided that the central Party leadership would send a steering group to Hubei to oversee epidemic control on the ground.

(12)January 25: The NHC released six sets of guidelines on disease prevention: for general use, tourism, households, public places, public transport and home observation.

　　（13）1月26日，中共中央政治局常委、国务院总理、中央应对疫情工作领导小组组长李克强主持召开领导小组第一次全体会议。国务院办公厅印发通知，决定延长2020年春节假期，各地大专院校、中小学、幼儿园推迟开学。国家药监局应急审批通过4家企业4个新型冠状病毒检测产品，进一步扩大新型冠状病毒核酸检测试剂供给能力。

　　（14）1月27日，中共中央总书记习近平作出指示，要求中国共产党各级组织和广大党员、干部，牢记人民利益高于一切，不忘初心、牢记使命，团结带领广大人民群众坚决贯彻落实党中央决策部署，全面贯彻“坚定信心、同舟共济、科学防治、精准施策”的要求，让党旗在防控疫情斗争第一线高高飘扬。

(13)January 26: Premier Li Keqiang, also member of the Standing Committee of the Political Bureau of the CPC Central Committee and head of the Central Leading Group for Novel Coronavirus Prevention and Control, chaired the group’s first meeting.

The General Office of the State Council issued the decision to extend the Chinese New Year holiday of 2020 and postpone the opening of all universities, colleges, secondary schools, elementary schools and kindergartens.

The National Medical Products Administration fast-tracked approval of four novel coronavirus test kits made by four companies to boost capacity for producing virus nucleic acid test kits.

(14)January 27: Xi Jinping issued an instruction calling on all CPC organizations and members to bear in mind the supremacy of the people’s interests and the Party’s founding mission, strengthen confidence and solidarity, take a science-based approach and targeted measures, and lead the people in implementing the decisions made by the central Party leadership.

　　（15）1月27日，受中共中央总书记习近平委托，中共中央政治局常委、国务院总理、中央应对疫情工作领导小组组长李克强赴武汉市考察指导疫情防控工作，代表中共中央、国务院慰问疫情防控一线的医护人员。同日，中央指导组进驻武汉市，全面加强对一线疫情防控的指导督导。

　　（16）1月27日，国家卫生健康委发布《新型冠状病毒感染的肺炎诊疗方案（试行第四版）》。国家卫生健康委负责人应约与美国卫生与公众服务部负责人通话，就当前新型冠状病毒感染的肺炎疫情防控工作进行交流。

(15)January 27: Li Keqiang paid an inspection visit to Wuhan on behalf of Xi Jinping, where he gave guidance on virus control and expressed appreciation to frontline health workers. The Central Steering Group arrived in Wuhan on the same day to strengthen overall guidance of and supervision over the prevention and control of the disease at the front line.

(16)January 27: The NHC released Diagnosis and Treatment Protocol for Novel Coronavirus Pneumonia (Trial Version 4).

The head of the NHC discussed epidemic prevention and control with the head of the US Department of Health and Human Services (US HHS) in a telephone call.