The trend of morbidity and mortality of Coronavirus disease 2019 under the first-level public health emergency response in China

Background The ongoing outbreak of Coronavirus disease 2019 (COVID-19) has led to declaration of public health emergency of international concern by World Health Organization and the first-level public health emergency response in China. We aimed to share the Joint Prevention and Control Mechanism taken in Mainland China and evaluate the effectiveness.Methods A powerful Joint Prevention and Control Mechanism was adopted to fight against COVID-19 in Mainland China. Data were collected from the daily epidemic reports released by the national and provincial health commissions of China from January 21 to April 6, 2020. Global data were collected from daily situation reports by World Health Organization.Results As of April 6, 2020, there were 81,740 confirmed COVID-19 cases (32 new) in Mainland China. The case fatality ratio was 4.74% and 0.85% in and outside Hubei respectively. It is gratifying to see that there were up to 22 provinces reporting zero new infections, but it can’t be ignored that there were 1,196,651 confirmed cases (68,700 new) reported in over 221 countries and territories outside China and the total death number were 69,274, nowadays China is facing great challenges of imported cases.Conclusions Great achievements have been made in controlling the spread of COVID-19 in Mainland China, but it is still a major challenge worldwide. The comprehensive and powerful control measures taken by Mainland China have proved to be effective and might be applicable to other regions.