The COVID-19 pandemic in mainland China is part of the worldwide pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). China was … See more

New infectious diseases impose a serious threat to the health of the general public. Their origins are often mysterious despite intensive research efforts. Although human coronaviruses (CoVs) had been known as major … See more

Based on retrospective analysis published in The Lancet in late January, the first confirmed patient started experiencing symptoms on 1 December 2019, though the South China Morning Post later reported that a retro… See more

On 2 April 2020, the government ordered a Hubei-like lockdown in Jia County, Henan, after a woman tested positive for the COVID-19. It is suspected that she may have been infected when she visited a hospital wh… See more