Nchịkọta

Coronaviruses bụ nke Nidovirales, Coronaviridae na Coronavirus Otu nnukwu klaasị nje a na-ahụ n'okike. The 5 'Njedebe nke viral otu nwere A methylated okpu Ọdịdị, na 3′ ọgwụgwụ nwere A poly (A) ọdụ, na genome bụ 27-32kb ogologo. Ọ bụ nje RNA kasị mara amara nke nwere genome kasị ukwuu. A na-ekewa Coronaviruses ụzọ atọ: α,β, γ.α, β nani ihe na-akpata anụ mamma, γ na-ebutekarị ọrịa nke nnụnụ. E gosikwara na a na-ebute CoV ka ọ bụrụ nke a na-ebute site na kọntaktị kpọmkwem na nzuzo ma ọ bụ site na ikuku ikuku na ụmụ irighiri mmiri, na egosiri na a na-ebute ya site na fecal-oral ụzọ. A na-ejikọta Coronaviruses na ọrịa dị iche iche na mmadụ na anụmanụ, na-ebute ọrịa nke iku ume, digestive na ụjọ usoro na mmadụ na anụmanụ. SARS-CoV-2 bụ nke β coronavirus , nke a na-ekpuchi ya, na ihe ndị ahụ bụ okirikiri ma ọ bụ elliptik, ọtụtụ mgbe pleomorphic, nke nwere dayameta nke 60 ~ 140nm, na njirimara mkpụrụ ndụ ihe nketa ya dị iche na nke SARSr-CoV na MERSr- Ngosipụta ụlọ ọgwụ bụ ahụ ọkụ, ike ọgwụgwụ na mgbaàmà sistemu ndị ọzọ, yana ụkwara akọrọ, dyspnea, wdg, nke nwere ike ịmalite ngwa ngwa ghọọ nnukwu njọ. oyi oyi, iku ume ọdịda, nnukwu iku ume nsogbu ọrịa, septic ujo, multi-organ ọdịda, oké acid-base metabolic ọrịa, na ọbụna na-eyi ndụ egwu. Achọpụtara mbufe SARS-CoV-2 bụ isi site na ụmụ irighiri mmiri iku ume (uzere, ụkwara, wdg) na nnyefe kọntaktị (ịhọrọ imi, ịhịa aka n'anya, wdg). Nje virus ahụ na-enwe mmetụta nke ọkụ ultraviolet na okpomọkụ, enwere ike ịgbanyụ ya nke ọma site na 56 ℃ maka nkeji 30 ma ọ bụ ihe mgbaze lipid dị ka ethyl ether, 75% ethanol, chlorine-nwere chlorine, peroxyacetic acid na chloroform.