ʻO kaSARS-CoV-2isanenvelopedβ-coronavirus,circularorellipticalparticlediameter ma kahi o 60~140nm,pleomorphic pinepine, maopopo ʻokoʻa maiSARS-CoVandMERS-CoVingeneticcharacteristics.Themainclinical manifestationsin cludefever, luhi a me nā ʻōnaehana ʻē aʻe nā hōʻailona, ​​hele pū ʻia me ka ʻū maloʻo, dyspnea, etc., hiki ke ulu koke i loko o ka neumonia kuʻuna, hāʻule ʻole o ka hanu, maʻi ʻeha hanu, septicshock, multi-organ failure, ʻehiku. reacid-basemetabolism disorder, andevenlife-threatening.SARS-CoV-2 ua ʻike ʻia ma ke ʻano o ka hoʻouna ʻana ma o nā kulu hanu (ka ʻū, ka ʻū, a me nā mea ʻē aʻe) a me ka hoʻopili hthevirus, rubbingeyes, etc.). ʻAʻole pili ʻo SARS-CoV-2 i ka wela wela, a hiki ke hoʻoikaika ʻia i ka 56 ℃ no 30 mau minuke a me ka mea hoʻoheheʻe momona e like me ka huila, 75% ethanol, chlorine disinfectant, peraceticacid and chloroform.