O leSARS-CoV-2isanenvelopedβ-coronavirus,circularorellipticalparticlediameter pe tusa o le60~140nm,masani pleomorphic,manino ese mai leSARS-CoVandMERS-CoVingeneticcharacteristics.Themainclinical manifestations in fa'aletonu, vaivai ma isi fa'ailoga fa'aletino, fa'atasi ma le tale mago, ma'i, ma'i, e mafai ona vave tupu i le neumonia tele, fa'aletonu manava, ma'i tigaina manava, septicschock, tele-organ failure, seve reacid-basemetabolism disorders, ma le ola e lamatia ai le ola.SARS-CoV-2 ua faʻailoaina i le tulaga o le faʻamaʻiina e ala ile manava manava (mafatua, tale, ma isi.) ma faʻafesoʻotaʻi (piʻi isumu ma le lima faʻafesoʻotaʻi. o le virusi, mata lapisi, ma isi mea.. E ma'ale'ale le SARS-CoV-2 i le vevela o le viole, ma e mafai ona fa'agata i le 56 ℃ mo le 30 minute ma fa'amamafa fa'afefeteina, 75% ethanol, chlorinedisinfectant,peraceticacidandchloroform.