Thesars-Cov-2Isanenveded uas-coronavirus ، circularellipticalparticlediameterofabout60 ~ 140nm ، غالبًا ما يكون plyomorphic ، وضوحا من غيرها ، و fatiguroshychemptomptymptismptymptymptymptymptymptymptyptyptyproghyptyproghoptymproghoptyproughproghopty Idlydevelopintoseverepneumonia ، الجهاز التنفسي ، acuterespiratorydistresssyndrome ، septicshock ، multi-organfailure ، severeacid-basemetabolismdisorder ، تهدد الحياة .SARS-CoV-2hasbeenidentifiedasthemainmeansoftransmissionthroughrespiratorydroplets(sneezing,coughing,etc.)andcontact(pickingnostrilwiththehandincontactwiththevirus,rubbingeyes,etc.).SARS-CoV-2issensitivetoultravioletrayandheat,andcanbeinactivatedat56℃for30minutesandbyfatsolublesolventsuchasethylether,75%ethanol,chlorinedisinfectant,peraceticacidandchloroform.