O leSARS-CoV-2isanevelopedβ-coronavirus,circularorellipticalparticlediameter pe tusa o le 60~140nm,masani pleomorphic,manino ese mai leSARS-CoVandMERS-CoVingenetickaracteristics.The mainclinical manifestations included, lelava,maʻi maʻi, maʻiʻo. e mafai ona vave atiaʻe i le tele o le neumonia, faʻaletonu le manava, maʻi tigaina o le manava, septicschock, tele-organ failure, severeacid-basemetabolism disorders, ma le ola e lamatia ai. .SARS-CoV-2 ua fa'ailoaina o le uiga ole fe'avea'i e ala ile manava manava (mafatua, tale, ma isi mea) ma fa'afeso'ota'i (pi'i le isu ma le lima e feso'ota'i ma le siama, mata olo, ma isi). 75% ethanol, chlorinedisinfectant, peraceticacidandchloroform.