gatherings.
The WHO issued on its website a statement on the discovery of novel coronavirus cases in Thailand, recognizing that China's sharing of the genome sequence of the virus had enabled more countries to rapidly diagnose cases.
An inspection team from Hong Kong, Macao and Taiwan visited Wuhan to learn about the prevention and control of the disease.
(18) January 14: The NHC held a national teleconference, specifying arrangements for epidemic prevention and control in Hubei and Wuhan, and for emergency preparations and response across the country. The NHC cautioned that there was great uncertainty about the new disease, and that more research was needed to understand its mode of transmission and the risk of human-to-human transmissibility. Further spread could not be ruled out.
(19) January 15: The NHC unveiled the first versions of Diagnosis and Treatment Protocol for Novel Coronavirus Pneumonia, and Protocol on Prevention and Control of Novel Coronavirus Pneumonia.
(20) January 16: As the optimization of the Polymerase Chain Reaction (PCR) diagnostic reagents was completed, Wuhan began to screen all patients treated in fever clinics or under medical observation in the 69 hospitals at or above the level of grade two in the city.
(21) January 17: The NHC sent seven inspection teams to different provincial-level health agencies to guide local epidemic prevention and control.
(22) January 18: The NHC released the second version of Diagnosis and Treatment Protocol for Novel Coronavirus Pneumonia.
(23) January 18 and 19: The NHC assembled a high-level national team of senior medical and disease control experts and sent them to Wuhan to study the local response to the epidemic. In the middle of the night of January 19, after careful examination and deliberation, the team determined that the new coronavirus was spreading between humans.
Stage II: Initial Progress in Containing the Virus
(January 20-February 20, 2020)
The situation became most pressing with the rapid increase in newly confirmed cases in China. As a crucial step to stem the spread of the virus, the Chinese government took the decisive measure to close outbound traffic from Wuhan. This marked the beginning of an all-out battle to protect Wuhan and Hubei from the epidemic.
The CPC Central Committee set up a leading group for novel coronavirus prevention and control and sent the Central Steering Group to Hubei. A joint epidemic prevention and control mechanism and in due course a mechanism to facilitate resumption of work were set up under the State Council. Resources were mobilized nationwide to assist Hubei and Wuhan. Major public health