Litaba

BEIJING - Lefapha la bophelo bo botle seterekeng sa Espirito Santo, Brazil, le phatlalalitse ka Labobeli hore boteng ba li-antibodies tsa IgG, tse ikhethileng ho kokoana-hloko ea SARS-CoV-2, bo fumanoe lisampoleng tsa serum ho tloha ka December 2019.

Lefapha la bophelo bo botle le boletse hore lisampole tsa serum tse 7,370 li bokelletsoe pakeng tsa Tšitoe 2019 le Phuptjane 2020 ho tsoa ho bakuli ba belaelloang ka ts'oaetso ea dengue le chikungunya.

Ha disampole li hlahlobiloe, li-antibodies tsa IgG li ile tsa fumanoa ho batho ba 210, bao linyeoe tse 16 tsa bona li ileng tsa fana ka maikutlo a boteng ba "coronavirus" ea naha pele Brazil e phatlalatsa nyeoe ea eona ea pele e tiisitsoeng ka molao ka la 26 Hlakubele 2020. E 'ngoe ea linyeoe e ile ea bokelloa ka Tšitoe. La 18, 2019.

Lefapha la bophelo bo botle le boletse hore ho nka matsatsi a ka bang 20 hore mokuli a fihlele maemo a IgG ka mor'a ts'oaetso, kahoo ts'oaetso e ka be e bile teng pakeng tsa bofelong ba Pulungoana le mathoasong a Tšitoe 2019.

Lekala la Bophelo la Brazil le laetse mmuso ho etsa lipatlisiso tse tebileng tsa mafu a seoa bakeng sa netefatso e eketsehileng.

Liphuputso tsa Brazil ke tsa morao-rao har'a lithuto tsa lefats'e tse ekelitseng bopaki bo ntseng bo eketseha ba hore COVID-19 e ne e hasana ka ntle ho China pejana ho feta kamoo ho neng ho nahanoa pele.

Bafuputsi ba Univesithing ea Milan ba sa tsoa fumana hore mosali e mong oa toropo e ka leboea ea Italy o ne a tšoaelitsoe ke COVID-19 ka Pulungoana 2019, ho latela litlaleho tsa boralitaba.

Ka mekhoa e 'meli e fapaneng ea lisele tsa letlalo, bafuputsi ba ile ba tseba ka biopsy ea mosali ea lilemo li 25 boteng ba liphatsa tsa lefutso tsa RNA tsa vaerase ea SARS-CoV-2 ho tloha ka Pulungoana 2019, ho latela koranta ea letsatsi le letsatsi ea setereke ea Italy L'. Unione Sarda.

"Ho na le seoa sena, linyeoe tseo ho tsona lets'oao le le leng la ts'oaetso ea COVID-19 e leng lefu la letlalo," Raffaele Gianotti, ea hokahanyang lipatlisiso, o qotsitsoe ke koranta eo.

"Ke ile ka ipotsa hore na re ka fumana bopaki ba SARS-CoV-2 letlalong la bakuli ba nang le mafu a letlalo feela pele lefu la seoa le amoheloang ka molao le qala," ho boletse Gianotti, mme a eketsa "re fumane" menoana" ea COVID-19 letlalong. lesela.”

Ho ipapisitsoe le datha ea lefats'e, ona ke "bopaki ba khale ka ho fetesisa ba ho ba teng ha vaerase ea SARS-CoV-2 ho motho," ho boletse tlaleho.

Bofelong ba Mmesa 2020, Michael Melham, ramotse oa Belleville seterekeng sa Amerika sa New Jersey, o boletse hore o entse tlhahlobo ea li-antibodies tsa COVID-19 mme o lumela hore o tšoaelitsoe vaerase ka Pulungoana 2019, leha ngaka e tlaleha maikutlo a hore seo Melham a nang le sona. phihlelo e ne e le ntaramane feela.

Fora, bo-rasaense ba fumane hore monna o tšoaelitsoe ke COVID-19 ka December 2019, hoo e ka bang khoeli pele linyeoe tsa pele li tlalehiloe ka molao Europe.

Ha a bua ka ngaka sepetleleng sa Avicenne le Jean-Verdier haufi le Paris, BBC News e tlalehile ka Mots'eanong 2020 hore mokuli "o tlameha a be a tšoaelitsoe lipakeng tsa la 14 le la 22 Tšitoe (2019), kaha matšoao a coronavirus a nka matsatsi a pakeng tsa a mahlano le a 14 ho hlaha.

Spain, bafuputsi Univesithing ea Barcelona, ​​​​e leng e 'ngoe ea liunivesithi tse tummeng ka ho fetisisa naheng eo, ba fumane boteng ba lefutso la kokoana-hloko lisampoleng tsa metsi a litšila tse bokelletsoeng ka la 12 Hlakubele 2019, univesithi e boletse polelong ea Phuptjane 2020.

Naheng ea Italy, lipatlisiso tse entsoeng ke Setsi sa Naha sa Kankere e Milan, e phatlalalitsoeng ka Pulungoana 2020, e bonts'itse hore liperesente tse 11.6 tsa baithaopi ba phetseng hantle ba 959 ba nkileng karolo tekong ea tlhahlobo ea mofetše oa matšoafo pakeng tsa Loetse 2019 ho isa Hlakubele 2020 ba thehile li-antibodies tsa COVID-19 pele ho Hlakubele 2020. ha nyeoe ea pele e tlalehiloe naheng, ka linyeoe tse 'ne ho tloha thutong ea beke ea pele ea Mphalane 2019, ho bolelang hore batho bao ba ne ba tšoaelitsoe ka Loetse 2019.

Ka la 30 Nov, 2020, phuputso e entsoeng ke Litsi tsa US tsa Taolo ea Mafu le Thibelo ea Mafu (CDC) e fumane hore COVID-19 e kanna ea ba United States mathoasong a Hlakubele 2019, libeke pele vaerase e qala ho tsejoa Chaena.

Ho latela phuputso e phatlalalitsoeng marang-rang koranteng ea Clinical Infectious Diseases, bafuputsi ba CDC ba ile ba etsa liteko tsa lisampole tsa mali ho tsoa ho menehelo ea mali e tloaelehileng e 7,389 e bokelletsoeng ke American Red Cross ho tloha ka la 13 Tšitoe 2019 ho isa la 17 Pherekhong 2020 bakeng sa li-antibodies tse ikhethileng ho coronavirus e ncha.

Ts'oaetso ea COVID-19 "e kanna ea ba e bile teng US ka December 2019," hoo e ka bang khoeli pejana ho nyeoe ea pele ea naha ka la 19 Pherekhong 2020, bo-ramahlale ba CDC ba ngotse.

Liphuputso tsena ke papiso e 'ngoe ea hore na ho thata hakae ho rarolla bothata ba mahlale ba ho batla mohloli oa vaerase.

Ho ea ka histori, sebaka seo kokoana-hloko e ileng ea tlalehoa ho sona hangata e ne e se sa tšimoloho ea eona. Ka mohlala, tšoaetso ea HIV e ile ea tlalehoa pele ke United States, leha ho le joalo ho ka etsahala hore ebe kokoana-hloko eo ha ea tsoa United States. ’Me bopaki bo eketsehileng bo paka hore Mokallane oa Spain ha oa simoloha Spain.

Mabapi le COVID-19, ho ba oa pele oa ho tlaleha vaerase ha ho bolele hore vaerase e simolohile toropong ea China ea Wuhan.

Mabapi le liphuputso tsena, Mokhatlo oa Lefatše oa Bophelo (WHO) o itse “o tla nka ntho e ’ngoe le e ’ngoe e fumanoang Fora, Spain, Italy ka ho teba, ’me re tla hlahloba e ’ngoe le e ’ngoe ea tsona.”

"Re ke ke ra khaotsa ho tseba 'nete ka tšimoloho ea vaerase, empa re ipapisitse le mahlale, ntle le ho e kenya lipolotiking kapa ho leka ho baka tsitsipano ts'ebetsong," ho boletse Motsamaisi-Kakaretso oa WHO Tedros Adhanom Ghebreyesus mafelong a Pulungoana 2020.