Tesars-cov-2isanenvelopedβ-coronavirus, circularorellipticalparticlediameterofabout60 ~ 140 nm, dikwels pleomorfe, kennelik differentFromsars-covandmer AnrapidlydevelopintoSeVerepneumonia, RespiratoryFailure, AcuterespiratoryDistressSyndrome, septicshock, multi-organisasie, afverkende-bas-basemetabolismdisorder, envenlife-bedreigend .Sars-coV-2HasBeen IdentifiedAsthemainMeansofTransmission ThroughRespiratoryDroplets (nies, hoes, ens.) byfatsolublesolventsuchasethylether, 75%etanol, chloorinedisinfektant, peraketiese aschloroform.