Thesars-Cov-2isanevelovito-Coronavirus, krogloreliptični particdiameterefabout60 ~ 140nm, pogosto pleomorfne, očitno differentfromsars-coundmers-covingenecticscharactistics. ki se lahko izkaže, ki se razvije, ki se razlije, in akuteriratornodsisteresssindrome, septični, multi-organfailure, severa-basemetabolismDorder, andvenlife-ogroženost .SARS-CoV-2hasbeenidentifiedasthemainmeansoftransmissionthroughrespiratorydroplets(sneezing,coughing,etc.)andcontact(pickingnostrilwiththehandincontactwiththevirus,rubbingeyes,etc.).SARS-CoV-2issensitivetoultravioletrayandheat,andcanbeinactivatedat56℃for30minutesandbyfatsolublesolventsuchasethylether,75%ethanol,chlorinedisinfectant,peraceticacidandchloroform.