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- CoV.The clinical manifestations bụ ahụ ọkụ, ike ọgwụgwụ na usoro mgbaàmà ndị ọzọ, na-esonyere ụkwara akọrọ, dyspnea, wdg, nke nwere ike ịmalite ngwa ngwa ghọọ oké oyi baa, ọdịda iku ume, nnukwu nsogbu iku ume, septic ujo, multi-organ failure, acid siri ike. -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.