TAƘAITACCE

Coronaviruses sun kasance na Nidovirales, Coronaviridae da Coronavirus. Babban nau'in ƙwayoyin cuta da ake samu a yanayi. Ƙarshen rukuni na 5 na ƙwayoyin cuta yana da tsarin murfin methylated A, kuma ƙarshen 3′ yana da wutsiya poly (A), kwayar halittar ta kai tsawon 27-32kb. Ita ce babbar ƙwayar cutar RNA da aka sani tare da mafi girman kwayar halitta. An raba Coronaviruses zuwa nau'i uku: α,β, γ.α,β kawai ƙwayoyin cuta masu cutar dabbobi masu shayarwa, γ galibi suna haifar da kamuwa da cuta daga tsuntsaye. An kuma nuna cewa CoV yana yaɗuwa ta hanyar hulɗa kai tsaye da abubuwan da ke fita daga jiki ko ta hanyar iska da ɗigon ruwa, kuma an nuna cewa yana yaɗuwa ta hanyar najasa-baka. Coronaviruses suna da alaƙa da cututtuka iri-iri a cikin mutane da dabbobi, suna haifar da cututtuka na tsarin numfashi, narkewar abinci da jijiyoyi a cikin mutane da dabbobi. SARS-CoV-2 na cikin kwayar cutar β, wadda aka lulluɓe ta, kuma ƙwayoyin suna zagaye ko elliptical, galibi suna da siffar pleomorphic, tare da diamita na 60 ~ 140nm, kuma halayen kwayoyin halittarsa ​​sun bambanta sosai da na SARSr-CoV da MERSr-CoV. Alamomin asibiti sune zazzabi, gajiya da sauran alamomin tsarin jiki, tare da tari busasshe, dyspnea, da sauransu, wanda zai iya zama cikin sauri zuwa mummunan ciwon huhu, gazawar numfashi, ciwon numfashi mai tsanani, girgizar septic, gazawar gabobin da yawa, rashin lafiyar acid-base metabolism mai tsanani, har ma da barazana ga rayuwa. An gano yaduwar SARS-CoV-2 galibi ta hanyar digo na numfashi (atishawa, tari, da sauransu) da kuma watsawa ta hanyar hulɗa (daga hanci, shafa ido, da sauransu). Kwayar cutar tana da saurin kamuwa da hasken ultraviolet da zafi, kuma ana iya kashe ta da 56℃ na tsawon mintuna 30 ko kuma abubuwan da ke rage kitse kamar ethyl ether, 75% ethanol, maganin kashe ƙwayoyin cuta mai ɗauke da chlorine, peroxyacetic acid da chloroform.