omicron XBB.1.5 yog lub cev tiv thaiv kab mob, khi zoo rau cov hlwb

Cov Covid omicron XBB.1.5 variant tau dhau los ua tus tseem ceeb hauv Teb Chaws Asmeskas vim tias nws muaj lub cev tiv thaiv kab mob thiab zoo li muaj txiaj ntsig zoo ntawm kev khi rau cov hlwb ntau dua li lwm cov subvariants, cov kws tshawb fawb hais.

XBB.1.5 tam sim no sawv cev txog li 41% ntawm cov neeg mob tshiab thoob tebchaws hauv Asmeskas, ze li ob npaug ntawm qhov muaj nyob rau lub lim tiam dhau los, raws li cov ntaub ntawv luam tawm hnub Friday los ntawm Lub Chaw Tiv Thaiv thiab Tiv Thaiv Kab Mob. Lub subvariant ntau dua ob npaug raws li ib feem ntawm cov xwm txheej txhua lub lis piam mus txog Lub Kaum Ob Hlis 24. Lub lim tiam dhau los, nws ze li ob npaug los ntawm 21.7% qhov tshwm sim.

Cov kws tshawb fawb thiab cov neeg saib xyuas kev noj qab haus huv tau saib xyuas cov tsev neeg XBB subvariant rau ntau lub hlis vim tias cov kab mob muaj ntau yam kev hloov pauv uas tuaj yeem ua rau Covid-19 cov tshuaj tiv thaiv, suav nrog cov tshuaj tiv thaiv omicron, tsis zoo thiab ua rau muaj kev sib kis ntau dua.

XBB tau pom thawj zaug hauv Is Nrias teb thaum Lub Yim Hli. Nws tau dhau los ua qhov tseem ceeb nyob rau ntawd, nrog rau hauv Singapore. Nws tau hloov zuj zus mus rau hauv tsev neeg ntawm subvariants suav nrog XBB.1 thiab XBB.1.5.

Andrew Pekosz, tus kws kho mob virologist ntawm Johns Hopkins University, hais tias XBB.1.5 txawv ntawm nws tsev neeg vim nws muaj kev hloov pauv ntxiv uas ua rau nws khi zoo dua rau cov hlwb.

Pekosz tau hais tias "Tus kab mob no yuav tsum tau khi kom nruj rau cov hlwb kom ua tau zoo dua ntawm kev nkag mus thiab qhov ntawd tuaj yeem pab tus kab mob no ua tau zoo me ntsis ntawm kev kis rau tib neeg," Pekosz tau hais.

Yunlong Richard Cao, tus kws tshawb fawb thiab tus kws tshaj lij ntawm Peking University, tau tshaj tawm cov ntaub ntawv hauv Twitter Tuesday uas tau qhia tias XBB.1.5 tsis tsuas yog tshem tawm cov tshuaj tiv thaiv kab mob zoo li XBB.1 variant, uas yog kev tiv thaiv kab mob siab heev, tab sis kuj zoo dua ntawm kev khi rau cell los ntawm ib qho tseem ceeb receptor.

Cov kws tshawb fawb ntawm Columbia University, nyob rau hauv ib qho kev tshawb fawb luam tawm ua ntej lub hlis no hauv phau ntawv xov xwm Cell, ceeb toom tias qhov kev nce ntawm subvariants xws li XBB tuaj yeem "tseem cuam tshuam ntxiv rau kev ua tau zoo ntawm cov tshuaj tiv thaiv COVID-19 tam sim no thiab ua rau muaj kev sib kis ntau ntxiv nrog rau kev rov kis dua."

XBB subvariants tseem tiv taus Evusheld, tshuaj tiv thaiv kab mob uas muaj ntau tus neeg uas muaj lub cev tsis muaj zog tiv thaiv kab mob rau kev tiv thaiv Covid vim lawv tsis muaj zog teb rau cov tshuaj tiv thaiv.

Cov kws tshawb fawb tau piav qhia txog qhov tsis kam ntawm XBB subvariants rau cov tshuaj tiv thaiv los ntawm kev txhaj tshuaj tiv thaiv thiab kev kis kab mob raws li "kev ceeb toom." Cov XBB subvariants tseem ua tau zoo dua ntawm kev tiv thaiv los ntawm omicron boosters dua li BQ subvariants, uas tseem muaj kev tiv thaiv tiv thaiv kab mob, cov kws tshawb fawb pom.

Dr. David Ho, tus kws sau ntawv ntawm Columbia txoj kev tshawb fawb, pom zoo nrog lwm tus kws tshawb fawb tias XBB.1.5 tej zaum yuav muaj txiaj ntsig zoo dua vim tias nws khi zoo rau cov hlwb dua li nws cov txheeb ze XBB. Ho kuj tau hais tias XBB.1.5 yog hais txog kev tiv thaiv kab mob xws li XBB thiab XBB.1, uas yog ob qho ntawm cov subvariants feem ntau tiv taus cov tshuaj tiv thaiv kab mob los ntawm kev kis kab mob thiab tshuaj tiv thaiv txog tam sim no.

Dr. Anthony Fauci, uas tab tom tawm hauv nws lub luag haujlwm ua tus kws pab tswv yim kho mob hauv Tsev Dawb, yav dhau los tau hais tias XBB subvariants txo kev tiv thaiv cov boosters tiv thaiv kab mob "ntau".

"Koj tuaj yeem xav tau qee qhov kev tiv thaiv, tab sis tsis yog qhov kev tiv thaiv zoo tshaj plaws," Fauci hais rau cov neeg sau xov xwm thaum lub sijhawm sib tham hauv Tsev Dawb thaum lub Kaum Ib Hlis.

Fauci tau hais tias nws tau txais kev txhawb nqa los ntawm rooj plaub ntawm Singapore, uas muaj kev kis tus kabmob loj heev los ntawm XBB tab sis tsis pom kev mus pw hauv tsev kho mob nce tib tus nqi. Pekosz tau hais tias XBB.1.5, ua ke nrog kev mus ncig ua si hnub so, tuaj yeem ua rau muaj neeg coob coob hauv Asmeskas Tab sis nws hais tias cov tshuaj tiv thaiv zoo li tiv thaiv kab mob hnyav.

Pekosz tau hais tias "Nws zoo li cov tshuaj tiv thaiv, qhov tshuaj tiv thaiv bivalent tau muab kev tiv thaiv txuas ntxiv mus rau tsev kho mob nrog cov kev hloov pauv no," Pekosz tau hais. "Nws tseem ceeb heev txog qhov xav tau kom tau txais kev txhawb nqa tshwj xeeb rau cov neeg tsis muaj zog los muab kev tiv thaiv txuas ntxiv los ntawm cov kab mob hnyav nrog cov kev hloov tshiab no."

Cov neeg saib xyuas kev noj qab haus huv hauv Tebchaws Meskas tau rov hais dua rau cov neeg laus tshwj xeeb kom paub tseeb tias lawv yog paub txog lawv cov tshuaj tiv thaiv thiab tau kho nrog cov tshuaj tiv thaiv kab mob Paxlovid yog lawv muaj tus kab mob sib kis.