Nchịkọta

Coronaviruses so na Nidovirales, Coronaviridae na Coronavirus. Ọtụtụ nje virus dị n'okike. Ngwụcha nke 5 nke otu nje ahụ nwere nhazi okpu methylated, na njedebe nke 3′ nwere ọdụ A poly (A), genome ahụ dị 27-32kb n'ogologo. Ọ bụ nje RNA kachasị ama ama nwere genome kachasị. A na-ekewa Coronaviruses n'ime ụdị atọ: α,β, γ.α,β naanị nje na-akpata ọrịa anụ ahụ, γ na-ebutekarị ọrịa nke nnụnụ. A gosikwara na a na-ebufe CoV site na kọntaktị kpọmkwem na ihe ndị na-apụta ma ọ bụ site na aerosols na droplets, egosikwala na a na-ebufe ya site na ụzọ fecal-oral. A na-ejikọta Coronaviruses na ọtụtụ ọrịa na mmadụ na anụmanụ, na-akpata ọrịa nke sistemu iku ume, nri na akwara na ụmụ mmadụ na anụmanụ. SARS-CoV-2 bụ nke β coronavirus, nke kpuchiri ekpuchi, ihe ndị ahụ dịkwa gburugburu ma ọ bụ elliptic, na-abụkarị pleomorphic, nwere dayameta nke 60~140nm, njirimara mkpụrụ ndụ ihe nketa ya dịkwa iche na nke SARSr-CoV na MERSr-CoV. Ihe ngosi ahụike bụ ahụ ọkụ, ike ọgwụgwụ na ihe mgbaàmà sistemụ ndị ọzọ, yana ụkwara akọrọ, nkụchi, wdg., nke nwere ike ịmalite ngwa ngwa ghọọ nnukwu oyi baa, ọdịda iku ume, ọrịa iku ume dị oke njọ, ihe mberede septic, ọdịda akụkụ ahụ dị iche iche, nsogbu metabolic siri ike nke acid, na ọbụna ihe na-eyi ndụ egwu. Achọpụtala nnyefe SARS-CoV-2 site na ntapụ iku ume (ịsụ ude, ụkwara, wdg) na nnyefe kọntaktị (ịhịa imi, ịcha anya, wdg). Ọrịa ahụ na-enwe mmetụta na ìhè ultraviolet na okpomọkụ, enwere ike ịkwụsị ya nke ọma site na 56℃ maka nkeji 30 ma ọ bụ ihe mgbaze lipid dị ka ethyl ether, 75% ethanol, ọgwụ nje nwere chlorine, peroxyacetic acid na chloroform