Large-scale national screening for Coronavirus Disease 2019 in China

Faced with the new challenges in the pandemic control, imported coronavirus disease (COVID-19) infections and asymptomatic infection, Chinese authorities have implemented new intervention measures-national large-scale nucleic acid testing. This article summarizes the population who needs the nucleic acid testing, analyzes the current data of COVID-19 testing capacity, concludes the timeline of coronavirus testing and suggests what needs to be done to facilitate the government large-scale screening measures.