Nkhani

BEIJING — Dipatimenti ya zaumoyo m'boma la Espirito Santo, ku Brazil, yalengeza Lachiwiri kuti kupezeka kwa ma antibodies a IgG, makamaka a kachilombo ka SARS-CoV-2, kunapezeka m'ma seramu kuyambira Disembala 2019.

Dipatimenti ya zaumoyo yati zitsanzo 7,370 za seramu zinatengedwa pakati pa Disembala 2019 ndi Juni 2020 kuchokera kwa odwala omwe akuganiziridwa kuti ali ndi kachilombo ka dengue ndi chikungunya.

Pogwiritsa ntchito zitsanzo zomwe zinafufuzidwa, ma antibodies a IgG adapezeka mwa anthu 210, omwe milandu 16 mwa iwo idawonetsa kuti panali kachilombo ka coronavirus m'boma Brazil isanalengeze mlandu wake woyamba wotsimikizika mwalamulo pa Feb 26, 2020. Limodzi mwa milanduyi lidatengedwa pa Dec 18, 2019.

Dipatimenti ya zaumoyo yati zimatenga masiku pafupifupi 20 kuti wodwala afike pamlingo woyenera wa IgG pambuyo pa matenda, kotero matendawa akhoza kuchitika pakati pa kumapeto kwa Novembala ndi kumayambiriro kwa Disembala 2019.

Unduna wa Zaumoyo ku Brazil walamula boma kuti lichite kafukufuku wozama wa matenda kuti litsimikizire zambiri.

Zomwe zapezeka ku Brazil ndi zaposachedwa kwambiri pakati pa kafukufuku padziko lonse lapansi zomwe zawonjezera umboni wokulirapo wakuti COVID-19 idafalikira kunja kwa China mosasamala kanthu kuposa momwe amaganizira kale.

Ofufuza ochokera ku yunivesite ya Milan posachedwapa apeza kuti mayi wina kumpoto kwa mzinda wa Italy adadwala COVID-19 mu Novembala 2019, malinga ndi malipoti a atolankhani.

Kudzera mu njira ziwiri zosiyana pakhungu, ofufuzawo adapeza mu biopsy ya mayi wazaka 25 kukhalapo kwa majini a RNA a kachilombo ka SARS-CoV-2 kuyambira Novembala 2019, malinga ndi nyuzipepala ya tsiku ndi tsiku ya ku Italy ya L'Unione Sarda.

"Pali milandu, mu mliriwu, pomwe chizindikiro chokha cha matenda a COVID-19 ndi matenda a pakhungu," Raffaele Gianotti, yemwe adayang'anira kafukufukuyu, adanenedwa ndi nyuzipepalayo kuti.

"Ndinadzifunsa ngati tingapeze umboni wa SARS-CoV-2 pakhungu la odwala omwe ali ndi matenda a pakhungu okha asanayambe mliri wodziwika bwino," adatero Gianotti, ndikuwonjezera kuti "tinapeza 'zala' za COVID-19 pakhungu."

Kutengera ndi deta yapadziko lonse lapansi, uwu ndi "umboni wakale kwambiri wa kukhalapo kwa kachilombo ka SARS-CoV-2 mwa munthu," linatero lipotilo.

Kumapeto kwa Epulo 2020, Michael Melham, meya wa Belleville m'boma la New Jersey ku US, adati adapezeka ndi kachilombo ka COVID-19 ndipo akukhulupirira kuti adatenga kachilomboka mu Novembala 2019, ngakhale kuti dokotala adanenetsa kuti zomwe Melham adakumana nazo zinali chimfine chabe.

Ku France, asayansi adapeza kuti munthu wina anali ndi kachilombo ka COVID-19 mu Disembala 2019, pafupifupi mwezi umodzi milandu yoyamba isanalembetsedwe ku Europe.

Potchula dokotala ku zipatala za Avicenne ndi Jean-Verdier pafupi ndi Paris, BBC News inanena mu Meyi 2020 kuti wodwalayo "ayenera kuti adatenga kachilomboka pakati pa 14 ndi 22 Disembala (2019), chifukwa zizindikiro za coronavirus zimatenga masiku asanu ndi 14 kuti ziwonekere."

Ku Spain, ofufuza ku University of Barcelona, ​​imodzi mwa mayunivesite otchuka kwambiri mdzikolo, adapeza kupezeka kwa majini a kachilomboka m'madzi otayidwa omwe adasonkhanitsidwa pa Marichi 12, 2019, yunivesiteyo idatero m'mawu ake mu June 2020.

Ku Italy, kafukufuku wochitidwa ndi National Cancer Institute ku Milan, wofalitsidwa mu Novembala 2020, wasonyeza kuti 11.6 peresenti ya odzipereka 959 athanzi omwe adachita nawo mayeso oyesa khansa ya m'mapapo pakati pa Seputembala 2019 mpaka Marichi 2020 adapanga ma antibodies a COVID-19 nthawi yayitali isanafike February 2020 pomwe mlandu woyamba wovomerezeka udalembedwa mdzikolo, ndi milandu inayi kuchokera ku kafukufukuyu kuyambira sabata yoyamba ya Okutobala 2019, zomwe zikutanthauza kuti anthu amenewo adatenga kachilombo mu Seputembala 2019.

Pa Novembala 30, 2020, kafukufuku wopangidwa ndi US Centers for Disease Control and Prevention (CDC) adapeza kuti COVID-19 mwina inali ku United States pakati pa Disembala 2019, milungu ingapo kachilomboka kasanadziwike koyamba ku China.

Malinga ndi kafukufukuyu yemwe adafalitsidwa pa intaneti mu magazini ya Clinical Infectious Diseases, ofufuza a CDC adayesa zitsanzo za magazi kuchokera ku zopereka zamagazi 7,389 zomwe zidasonkhanitsidwa ndi American Red Cross kuyambira pa Disembala 13, 2019 mpaka Januware 17, 2020 kuti apeze ma antibodies enieni a coronavirus yatsopano.

Matenda a COVID-19 "mwina analipo ku US mu Disembala 2019," pafupifupi mwezi umodzi m'mbuyomu mlandu woyamba wovomerezeka mdzikolo pa Januware 19, 2020, asayansi a CDC adalemba.

Zomwe zapezekazi ndi chitsanzo china cha momwe zimakhalira zovuta kuthetsa vuto la sayansi lokhudza kutsata magwero a kachilombo.

M'mbuyomu, malo omwe kachilombo kanayamba kufotokozedwa koyamba nthawi zambiri sankapezeka kuti ndi komwe kanachokera. Mwachitsanzo, kachilombo ka HIV kananenedwa koyamba ndi United States, komabe n'zotheka kuti kachilomboka sikanachokera ku United States. Ndipo umboni wochulukirapo ukutsimikizira kuti Spanish Flu sinayambire ku Spain.

Ponena za COVID-19, kukhala woyamba kunena za kachilomboka sikutanthauza kuti kachilomboka kanachokera mumzinda wa Wuhan ku China.

Ponena za maphunzirowa, bungwe la World Health Organization (WHO) linati "lidzatenga kafukufuku aliyense ku France, Spain, Italy mozama kwambiri, ndipo tidzaunika aliyense wa iwo."

"Sitidzasiya kudziwa zoona zenizeni zokhudza chiyambi cha kachilomboka, koma kutengera sayansi, popanda kuyika ndale kapena kuyesa kuyambitsa kusamvana," adatero Mtsogoleri Wamkulu wa WHO Tedros Adhanom Ghebreyesus kumapeto kwa Novembala 2020.