Litaba

BEIJING — Lefapha la bophelo bo botle la mmuso oa Espirito Santo, Brazil, le phatlalalitse ka Labobeli hore boteng ba li-antibodies tsa IgG, tse ikhethileng ho vaerase ea SARS-CoV-2, bo fumanoe lisampoleng tsa serum ho tloha ka Tšitoe 2019.

Lefapha la bophelo bo botle le boletse hore disampole tse 7,370 tsa serum li se li bokelletsoe pakeng tsa Tšitoe 2019 le Phuptjane 2020 ho tsoa ho bakuli ba belaelloang hore ba na le tšoaetso ea dengue le chikungunya.

Ka disampole tse hlahlobiloeng, li-antibodies tsa IgG li fumanoe ho batho ba 210, bao linyeoe tse 16 tsa bona li neng li bontša boteng ba coronavirus e ncha naheng pele Brazil e phatlalatsa nyeoe ea eona ea pele e tiisitsoeng ka molao ka la 26 Hlakola 2020. E 'ngoe ea linyeoe e ile ea bokelloa ka la 18 Tšitoe 2019.

Lefapha la bophelo bo botle le itse ho nka matsatsi a ka bang 20 hore mokuli a fihle maemong a ka bonoang a IgG kamora tšoaetso, kahoo tšoaetso e ka be e etsahetse pakeng tsa mafelo a Pulungoana le mathoasong a Tšitoe 2019.

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

Liphuputso tse fumanoeng Brazil ke tsa morao-rao har'a lithuto lefatšeng ka bophara tse ekelitseng bopaking bo ntseng bo hola ba hore COVID-19 e ne e hasana ka khutso kantle ho Chaena pejana ho feta kamoo ho neng ho nahanoa pele.

Bafuputsi ba tsoang Univesithing ea Milan ba sa tsoa fumana hore mosali motseng o ka leboea oa Italy o tšoaelitsoe ke COVID-19 ka Pulungoana 2019, ho latela litlaleho tsa mecha ea litaba.

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

“Ho na le maemo a lefu lena la seoa moo letshwao feela la tshwaetso ya COVID-19 e leng la lefu la letlalo,” ho qotsitswe Raffaele Gianotti, ya neng a tsamaisa dipatlisiso, ke koranta eo a re.

“Ke ne ke ipotsa hore na re ka fumana bopaki ba SARS-CoV-2 letlalong la bakuli ba nang le mafu a letlalo feela pele mohato oa seoa o tsejoang ka molao o qala,” ho boletse Gianotti, a eketsa ka hore “re fumane 'menoana' ea COVID-19 letlalong.”

Ho latela data ea lefats'e ka bophara, ena ke "bopaki ba khale ka ho fetisisa ba boteng ba vaerase ea SARS-CoV-2 ho motho," ho boletse tlaleho.

Mafelong a Mmesa 2020, Michael Melham, ramotse oa Belleville naheng ea New Jersey ea Amerika, o itse o fumanoe a e-na le li-antibodies tsa COVID-19 'me o lumela hore o tšoaelitsoe ke vaerase ka Pulungoana 2019, ho sa tsotellehe tlaleho ea ngaka ea hore seo Melham a se boneng e ne e le ntaramane feela.

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

Ha e qotsa ngaka lipetleleng tsa 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 genome ea kokoana-hloko lisampoleng tsa metsi a litšila tse bokelletsoeng ka la 12 Hlakubele 2019, ho boletse univesithi polelong ea Phuptjane 2020.

Italy, lipatlisiso tse entsoeng ke Setsi sa Naha sa Kankere Milan, tse phatlalalitsoeng ka Pulungoana 2020, li bontšitse hore karolo ea 11.6 lekholong ea baithaopi ba 959 ba phetseng hantle ba ileng ba nka karolo tekong ea tlhahlobo ea kankere ea matšoafo pakeng tsa Loetse 2019 ho isa Hlakubele 2020 ba ne ba se ba hlahisitse li-antibodies tsa COVID-19 khale pele ho Hlakola 2020 ha nyeoe ea pele ea semmuso e tlalehiloe naheng eo, ka linyeoe tse 'ne ho tsoa thutong e qalileng bekeng ea pele ea Mphalane 2019, ho bolelang hore batho bao ba ne ba tšoaelitsoe ka Loetse 2019.

Ka la 30 Pulungoana 2020, phuputso e entsoeng ke Litsi tsa Taolo le Thibelo ea Mafu tsa US (CDC) e fumane hore COVID-19 e ka 'na eaba e ne e le United States bohareng ba Tšitoe 2019, libeke pele kokoana-hloko ena e fumanoa ka lekhetlo la pele Chaena.

Ho ea ka phuputso e phatlalalitsoeng inthaneteng koranteng ea Clinical Infectious Diseases, bafuputsi ba CDC ba ile ba leka lisampole tsa mali ho tsoa menehelong 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.

Bo-rasaense ba CDC ba ngotse hore tšoaetso ea COVID-19 "e kanna eaba e bile teng US ka Tšitoe 2019," hoo e ka bang khoeli pele ho nyeoe ea pele ea semmuso ea naha ka la 19 Pherekhong 2020.

Liphihlello tsena ke mohlala o mong oa hore na ho rarahane hakae ho rarolla bothata ba saense ba ho latela mohloli oa vaerase.

Ho ea ka nalane, sebaka seo kokoana-hloko e ileng ea tlalehoa ho sona ka lekhetlo la pele hangata ho ile ha fumaneha hore ha se sona se qalileng. Ka mohlala, tšoaetso ea HIV e ile ea tlalehoa ka lekhetlo la pele ke United States, empa ho ka etsahala hore ebe kokoana-hloko eo ha ea ka ea hlaha United States. 'Me bopaki bo bongata bo paka hore Spanish Flu ha ea ka ea qala Spain.

Ha e le COVID-19, ho ba oa pele ho tlaleha vaerase ha ho bolele hore vaerase e simolohile motseng oa Chaena oa Wuhan.

Mabapi le lithuto tsena, Mokhatlo oa Lefatše oa Bophelo (WHO) o itse o tla "nka ntho e 'ngoe le e 'ngoe e fumanoang Fora, Spain, Italy ka botebo, 'me re tla hlahloba e 'ngoe le e 'ngoe ea tsona."

“Re ke ke ra khaotsa ho tseba 'nete ka tšimoloho ea kokoana-hloko, empa re ipapisitse le saense, ntle le ho e etsa lipolotiki kapa ho leka ho baka tsitsipano ts'ebetsong,” ho boletse Motsamaisi Kakaretso oa WHO Tedros Adhanom Ghebreyesus bofelong ba Pulungoana 2020.