TheSARS-CoV-2isanenvelopedβ-coronavirus, okirikiri okirikiri akụkụ dayameta nke gbasara 60 ~ 140nm, mgbe ụfọdụ, doro anya dị iche na SARS-CoVandMERS-Vingenetic agwa.Ihe ngosi ọgwụgwọ gụnyere gụnyere ọkụ ọkụ, ike ọgwụgwụ na sistem, nwere ike ịkpata ọrịa. na-eto ngwa ngwa na-eto etoseverepneumonia, iku ume iku ume, nnukwu ume iku ume ọrịa, septicshock, multi-organfailure, siri ike acid-basemetabolism ọrịa, na-eyi ndụ egwu. Achọpụtara .SARS-CoV-2 dị ka nke bụ ihe ngwanrọ sitere na ntinye ume iku ume (ịze, ụkwara, wdg) na kọntaktị (ịkpọ ọnụ na nje virus, rubbingeyes, wdg). chasethylether,75% ethanol,chlorinedisinfectant,peraceticacidandchloroform.