Thesars-cov-2isanenvelopedp-coronavirus, cirkularorellipticalparticlediameterofabout60 ~ 140nm, ofte pleomorphic, åbenlyst different fra fra-covandmers-covingeneticcharacteristics.themainclinicalifestationsin CLUDEFEVER, DYNIGUEANDOTHSSYSTISKEMptomer, ledsaget ByDrycough, dyspna osv., Som kan rapidlyde-udviklingseverepneumoni, respiratoryfailure, acuterespiratoryDistressSyndrome, Septicshock, Multi-Organfailure, Seve Reacid-basemetabolismdisorder, andevenlife-truende.sars-cov-2hasbeenidentifiedAsthemainMeansoftranSmissionThroughrespiratoryDroplets (nysen, hoste osv.) Og contact (pickingnostrilwithTheAndincontactwit hthevirus, gnidede osv.)