COVID-19 pandemic in mainland China
Many human coronaviruses have their origin in bats. The human coronavirus NL63 shared a common ancestor with a bat coronavirus (ARCoV.2) between 1190 and 1449 AD. The human coronavirus 229E shared a common ancestor with a bat coronavirus (GhanaGrp1 Bt CoV) between 1686 and 1800 AD. More recently, alpaca coronavirus and human coronavirus 229E diverged sometime before 1960.