Thesars-Cov-2isanen-entwickelte being-coronavirus, circularorellipticalParticlediameterofout60 ~ 140 nm, oftpleomorph, offensichtlich differenzFromsars-Covandmers-civingeneticcharacteristics IdlyDevelcintoseverpneumonia, Atemwegsfailure, AcuterespiratoryDistressSyndrome, Septicshock, Multi-Organfailure, Severeacid-BasemetabolismDisorder, Andevenlife-Threat .SARS-CoV-2hasbeenidentifiedasthemainmeansoftransmissionthroughrespiratorydroplets(sneezing,coughing,etc.)andcontact(pickingnostrilwiththehandincontactwiththevirus,rubbingeyes,etc.).SARS-CoV-2issensitivetoultravioletrayandheat,andcanbeinactivatedat56℃for30minutesandbyfatsolublesolventsuchasethylether,75%ethanol,chlorinedisinfectant,peraceticacidandchloroform.