The virus that caused the outbreak is called SARS-CoV-2, a recently discovered virus closely related to bat coronaviruses, pangolin coronaviruses, and SARS-CoV. Subsequently, the first known person to show symptoms was found to have fallen ill on December 1, 2019, and this person had no clear connection to the subsequent fresh market outbreak.
Virusi vilivyosababisha kuzuka kwa ugonjwa vinajulikana kama SARS-CoV-2, virusi vipya vilivyogunduliwa na vinavyohusiana na virusi vya korona vya popo, virusi vya korona vya kakakuona, na SARS-CoV.Mtu wa kwanza kujulikana na dalili alitambuliwa kuugua tarehe 1 Desemba 2019, na mtu huyo hakuwa na uhusiano unaoonekana na yeyote katika soko hilo.