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Binciken Asali na Korona
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Akwai ƙoƙarin ci gaba dayawa na masana kimiyya, gwamnatoci, ƙungiyoyin ƙasa da ƙasa, da sauransu don tantance asalin SARS-CoO-2, ƙwayar da ke da alhakin cutar ta COVID-19. Mai masana kimiyya ce cewa kamar yadda tare da kuma sauran cututtukan annoba a tarihin dan Adam, da cutar ne m na zoonotic asalin a wata halitta saitin, sannan da kuma kyakkyawan samo asali daga wani jemage-haifa cutar.[1][2][3][4][5][6][7] An gabatar da wasu bayanai da dama, gami da ra'ayoyin makirci da yawa game da asalin kwayar cutar.[8][9][10]
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SARS-CoV-2 yana da kamanceceniya ta kamanceceniya da Kuma coronaviruses jemagu da yawa da aka gano a baya, yana ba da shawarar cewa ya kuma ratsa cikin mutane daga jemagu.[11][12][13][14][4] Ana kuma cigaba da bincike kan ko SARS-CoV-2 ta fito ne kai tsaye daga jemagu ko a kaikaice ta kowane runduna ta tsakiya.[15] Jerin kwayoyin halittar farko na kwayar cutar sun nuna bambancin bambancin kwayoyin halitta, duk da cewa daga baya wasu bambance-bambancen bambance-bambancen sun fito (wasu suna yaduwa da karfi), suna nuna cewa abin da ya haifar da bullar SARS-CoV-2 ga mutane yana iya faruwa a ƙarshen shekarar 2019.[16] Hukumomin kiwon lafiya da masana kimiyya a duniya sun bayyana cewa kamar barkewar cutar ta SARS-1 a shekarar 2002-2004, ƙoƙarin gano takamaiman asalin yanki da asalin haraji na SARS-CoV-2 na iya ɗaukar shekaru, kuma sakamakon na iya zama mara ƙima.[17]
A cikin Janairun shekara ta 2021, Majalisar Kiwon Lafiya ta Duniya (kwamitin yanke shawara na Hukumar Lafiya ta Duniya, WHO) ta ba da umarnin bincike kan asalin cutar, wanda za a gudanar tare tsakanin masana WHO da masana kimiyya na China. A cikin Maris din shekarata 2021, an buga sakamakon wannan binciken akan layi a cikin rahoto ga Kwamishinan WHO.[1][18][19] Sake maimaita kimantawar yawancin masu ilimin viro,[20][21][22] rahoton ya ƙaddara cewa mai yiwuwa ƙwayar cutar tana da asalin zoonotic a cikin jemagu, mai yiwuwa ta watsa ta hanyar mai watsa shiri na tsakiya. Ta kuma bayyana cewa asalin dakin gwaje -gwaje na kwayar cutar “ba zai yiwu ba.”[8] [23]Masana kimiyya sun gano ƙarshen rahoton na WHO yana da taimako amma sun lura cewa ana buƙatar ƙarin aiki.[24] A Amurka, EU da wasu ƙasashe, wasu sun soki rashin gaskiya da samun bayanai a cikin tsarin rahoton. [25][26] Hukumar ta WHO ta fitar da rahotonta na ranar 30 ga Maris tare da sanarwar babban daraktan WHO Tedros Adhanom Ghebreyesus yana mai cewa lamarin "yana bukatar karin bincike".[27][28][29] Gwamnatin Amurka da wasu ƙasashe 13 da Tarayyar Turai sun ba da sanarwa a wannan rana, inda suka yi ta sukar Tedros game da rahoton saboda rashin gaskiya da samun bayanai a cikin tsara shi.[30][31] A cikin wani taron manema labarai daga baya, babban daraktan na WHO ya ce "bai kai lokaci ba" ga rahoton na WHO don yin watsi da yuwuwar alaƙa tsakanin ɓarkewar dakin gwaje-gwaje kuma ya yi kira ga China da ta samar da '' bayanai masu inganci '' da binciken lab a mataki na biyu na bincike.[32][33] A ranar 12 ga Oktoba 2021, WHO ta ba da sanarwar sabuwar ƙungiya don yin nazarin asalin barkewar cutar sankara.[34]
Tun da farko, a ranar 22 ga Yuli 2021, gwamnatin kasar Sin ta gudanar da taron manema labarai inda Zeng Yixin, Mataimakin Ministan Lafiya na Hukumar Kiwon Lafiya ta Kasa (NHC), ya ce China ba za ta shiga cikin kashi na biyu na binciken na WHO ba, tare da yin tir da shi a matsayin "m" da "girman kai".[35][36]