human.
(5) January 20: The NHC made a statement on implementing the above State Council decision and bringing the pneumonia under quarantinable infectious disease management in accordance with the Frontier Health and Quarantine Law of the People's Republic of China. The NHC also released Protocol on Prevention and Control of Novel Coronavirus Pneumonia (Edition 2).
(6) January 22: Xi Jinping ordered the immediate imposition of tight restrictions on the movement of people and channels of exit in Hubei and Wuhan.
(7) January 22: The NHC issued Diagnosis and Treatment Protocol for Novel Coronavirus Pneumonia (Trial Version 3). The State Council Information Office held its first press conference on the novel coronavirus.
The NHC was notified by the United States about its first confirmed case.
The 2019 Novel Coronavirus Resource database was officially launched by the China National Center for Bioinformation, which released the novel coronavirus genome and provided information on variation analysis to the international community.
(8) January 23: At around 2 a.m. Wuhan City Novel Coronavirus Prevention and Control Command Center issued the No. 1 public notice declaring temporary closure of the city's outbound routes at its airports and railway stations at 10 a.m. the same day. The Ministry of Transport issued an emergency circular suspending passenger traffic into Wuhan from other parts of the country by road or waterway. The NHC and five other government departments also issued Notice on Preventing the Transmission of Novel Coronavirus Pneumonia via Means of Transport. From January 23 to January 29, all provinces and equivalent administrative units on the Chinese mainland (hereafter all provinces) activated Level 1 public health emergency response.
(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) January 25: Xi Jinping chaired a meeting of the Standing Committee of the Political Bureau of the CPC Central Committee. He called for resolute
