Iimveliso ezintsha: I-SARS-2 / ifuthe A / Ifluewe A / Ifluenza b Uvavanyo lwe-Antign Sisebenza kwi-CE ye-CE yezi mveliso kwaye sigqibile ukuphela kwale nyanga ... / Sigcina ipolisiwe .... Ixesha leposi: NgoDE-18 ukuya kwi-2020