With its fast and wide spread,coronavirus disease 2019(COVID-19)caused by a novel coronavirus broke out suddenly in Wuhan,China at the end of 2019.It posed a grave threat to human life and health,and brought massive challenges to global health.On 30 January 2020,the World Health Organiza-tion(WHO)declared the novel coronavirus constituted a'public health emergency of international concern'.1 Due to its rapid trans-mission,it drew attention from more than 200 countries and areas worldwide.To prevent its spread,the WHO declared the novel corona-virus outbreak was a global pandemic on 11 March 2020.Meanwhile,it called for a global effort to combat the disease.2 China was the first country hit hardest by the disease.Facing this unknown,unexpected and devastating disease,the Chinese government rapidly took decisive and strong measures,for instance,complete lockdown,strict movement control on residents and closing public spaces.3 The epidemic in China was effectively controlled by the end of April 2020 with the support and assistance provided by the international community.Since then,China's epidemic prevention and control has entered normal-isation.But the battle against the epidemic is still ongoing in China.