SARS-CoV-2 gen anvlòp β-coronavirus, dyamèt patikil sikilè oswa eliptik apeprè 60 ~ 140 nm, souvan pliomòfik, evidamman diferan de KarakteristikVinjenetik SARS-CoVandMERS-Co. enkli lafyèv, fatig ak lòt sentòm sistemik, ki akonpaye pa tous sèk, dispne, elatriye, ki ka devlope rapidman gwo nemoni, echèk respiratwa, sendwòm detrès respiratwa grav, chòk septik, echèk milti-ògàn, sevè. maladi metabolis reasid-baz, ak menm ki menase lavi.SARS-CoV-2 yo te idantifye kòm prensipal mwayen pou transmisyon atravè ti gout nan respiratwa (etènye, touse, elatriye) ak kontak (chwase nen ak men an kontak. htheviris, rubbingyes, etc.).SARS-CoV-2isansibltravyoletrayandheat, and can be inactivatedat56℃for30minutesandbyfatsolublesolventtsuchasethylether,75%etanol,chlorindesinfectant,peraceticacidandchloroform.