Tshiab omicron XE variant kuaj pom hauv Nyij Pooj raws li UK cov neeg mob nce

Nyiv tau tshaj tawm nws thawj kis ntawm omicron XE - qhov tshiab Covid-19 hom thawj zaug kuaj pom hauv UK - ib yam li British rooj plaub ntawm subvariant nce.

Tus XE variant tau pom nyob rau hauv ib tug poj niam nyob rau hauv nws 30s uas tuaj txog ntawm Narita International tshav dav hlau los ntawm Teb Chaws Asmeskas thaum Lub Peb Hlis 26. Tus poj niam, uas nws haiv neeg tsis tau tshaj tawm tam sim ntawd, yog asymptomatic, Nyiv lub chaw saib xyuas kev noj qab haus huv tau hais rau hnub Monday.

Nws los raws li cov xwm txheej ntawm tus kab mob tshiab tau yuav luag ob npaug hauv tebchaws Askiv, raws li qhov tseeb txheeb cais los ntawm UK Health Security Agency.

Raws li lub Plaub Hlis 5, 1,125 tus neeg mob XE tau raug txheeb xyuas hauv tebchaws Askiv, nce los ntawm 637 thaum Lub Peb Hlis 25. Cov ntaub ntawv pom zoo tshaj plaws muaj hnub tim ntawm Lub Ib Hlis 19 ntawm lub xyoo no, qhia tias nws tuaj yeem muaj nyob hauv cov pejxeem rau ob peb lub hlis.

Txij li thaum XE tau kuaj pom hauv Thaib teb, Is Nrias teb thiab Ixayees. Nws yog xav tias cov neeg Israeli tom kawg tej zaum yuav tau txhim kho nws tus kheej. Tebchaws Meskas tseem tsis tau tshaj tawm txog XE kis.

XE yog qhov hu ua "recombinant," ib hom kev sib txawv uas tuaj yeem tshwm sim thaum ib tus neeg kis tau ob lossis ntau qhov sib txawv nyob rau tib lub sijhawm, ua rau muaj kev sib xyaw ntawm lawv cov khoom siv caj ces hauv tus neeg mob lub cev.

Nyob rau hauv rooj plaub ntawm XE, nws muaj ib qho kev sib xyaw ntawm cov kab mob omicron BA.1 yav dhau los, uas tau tshwm sim thaum xyoo 2021, thiab tus tshiab "stealth" BA.2 variant, tam sim no lub UK qhov txawv txawv.

Xws li cov recombinants tsis tshua muaj tshwm sim, tau tshwm sim ntau zaus thaum lub sijhawm kawm tus mob coronavirus pandemic. Txawm li cas los xij, cov kws paub txog kev noj qab haus huv tau hais tias nws sai dhau los ua qhov kev txiav txim siab tshiab ntawm subvariant qhov hnyav lossis muaj peev xwm tshem tawm cov tshuaj tiv thaiv.

"Peb tseem tab tom saib xyuas cov xwm txheej ntawm XE qhov sib txawv hauv tebchaws Askiv, uas tam sim no sawv cev rau ib feem me me ntawm cov neeg mob," Meera Chand, tus thawj coj ntawm chaw kho mob thiab cov kab mob tshwm sim ntawm UKHSA, tau hais hauv nqe lus.

Hnub Sunday, UK tau tshaj tawm 41,469 tus neeg mob tshiab Covid, nrog rau xya hnub nruab nrab ntawm 59,578 tus neeg mob. Yog li ntawd, XE yuav suav tau tsuas yog ib feem me me ntawm tag nrho cov mob Covid tam sim no.

Kev kwv yees thaum ntxov qhia tias XE tuaj yeem kis tau ntau dua li cov kab mob ua ntej, kom deb li deb tau pom tias muaj kev loj hlob me ntsis dua li nws cov thawj coj.

UKHSA cov ntaub ntawv qhia XE muaj a kev loj hlob ntawm 9.8% saum toj no ntawm BA.2, thaum Lub Koom Haum Ntiaj Teb Kev Noj Qab Haus Huv tau los txog tam sim no muab tus lej ntawd ntawm 10%.

Txawm li cas los xij, cov kws tshaj lij hais tias lawv cia siab tias nws yuav poob qis txawm tias nws kis tau yooj yim dua. XE txog tam sim no tsis tau tshaj tawm tias muaj kev txhawj xeeb sib txawv.

Jennifer Horney, tus kws tshaj lij ntawm kev kis kabmob ntawm University of Delaware, tau hais rau CNBC tias "XE zoo li tau txav mus rau tib qho kev coj ua BA.2, muaj kev sib kis tau ntau dua rau BA.1 tab sis hnyav dua,"

“Nws yog dab ntxwg nyoog peb paub, yog li hais. [Nws yog] qhov tseem ceeb ntawm kev hloov pauv ntawm tib lub lawj ntawm daim npav, "tus kws tshaj lij Mark Cameron, tus kws tshaj lij hauv Tsev Kawm Ntawv Tshuaj ntawm Case Western Reserve University.

XE muaj cov kab nrib pleb thiab cov qauv tsim los ntawm tib tsev neeg tus kab mob, piv txwv li omicron, txhais tau hais tias nws yuav tsum, theoretically tsawg kawg, coj zoo li omicron tau ua ua ntej. Cov tshuaj tiv thaiv uas twb muaj lawm thiab kev tiv thaiv kab mob yuav tsum, yog li ntawd, muab qee theem ntawm kev tiv thaiv kab mob.

Tom Peacock, virologist ntawm Imperial College London's Department of Infectious Disease, tau hais tias "Cov khoom sib xyaw ua ke uas muaj cov kab nrib pleb thiab cov qauv tsim los ntawm ib tus kab mob (xws li XE lossis XF) yog qhov ua tau zoo ib yam li [lawv] tus kab mob niam txiv," Tom Peacock, virologist ntawm Imperial College London's Department of Infectious Disease, tau sau rau hauv ib daim ntawv. xov ntawm tweets nyob rau nruab nrab lub Peb Hlis. XF hais txog lwm recombinant yav dhau los kuaj pom hauv UK thaum Lub Ob Hlis.

Txawm li cas los xij, lwm cov recombinants uas muaj cov kab nrib pleb thiab cov qauv tsim los ntawm cov tsev neeg kab mob sib txawv tseem tshwm sim. Qhov ntawd suav nrog XD subvariant, tsis ntev los no tau pom nyob rau hauv lub teb chaws Yelemees, Netherlands thiab Denmark, uas muaj delta structural proteins thiab omicron spike proteins thiab uas Peacock tau piav raws li "ntau me ntsis txog."

Yog li ntawd, txhua qhov tshwm sim tshiab yuav tsum tau saib xyuas kom zoo, tshwj xeeb tshaj yog nyob rau hauv lawv cov theem thaum ntxov, kom ntseeg tau tias lawv tsis hloov mus rau ib yam dab tsi loj dua.

Cameron tau hais tias "Tus kab mob no tseem muaj peev xwm hloov kho, rov ua dua thiab txhim kho ib ceg tshiab ntawm nws tsev neeg," Cameron tau hais.

"Qhov tseem ceeb ntawm kev tshem tawm yog tias rau txhua qhov sib txawv thiab cov subvariants, kev pheej hmoo ntawm kev mus pw hauv tsev kho mob thiab kev tuag zoo li, qhov nruab nrab, qis dua qhov kev txhaj tshuaj tiv thaiv ntau dua, qhia tias kev txhaj tshuaj tiv thaiv, suav nrog koob thib peb, yuav tsum muaj txiaj ntsig los txo kev pheej hmoo loj. kab mob," ntxiv Stephanie Silvera, tus xibfwb ntawm kev noj qab haus huv pej xeem ntawm Montclair State University.