Ib tus neeg ua haujlwm tau kos lub koob txhaj tshuaj nrog Comirnaty tshuaj tiv thaiv los ntawm Biontech thiab Pfizer hloov mus rau Omicron-BA.1 variant ntawm Mainz qhov chaw txhaj tshuaj.
Sebastian Christoph Gollnow | dpa | Duab Alliance | Cov duab Getty
Covid txhaj tshuaj tsim los tiv thaiv cov omicron variant ua rau lub cev tsis muaj zog tiv thaiv qhov tshwm sim sai sai BQ.1.1 subvariant dua li cov kab mob tseem ceeb yav dhau los, raws li kev tshawb nrhiav tshiab.
Cov kws tshawb fawb ntawm University of Texas Medical Branch, ina txoj kev tshawb fawb luam tawm online Tuesday hauv Nature Medicine, pom tias cov koob txhaj tshuaj ua tau zoo tiv thaiv BA.5 subvariant lawv tau tsim los rau lub hom phiaj.
Tab sis cov boosters tsis ua rau cov lus teb muaj zog thaum ntsib BQ.1.1, cov kws tshawb fawb pom. Cov tshuaj tiv thaiv tau kwv yees li plaub zaug qis dua rau BQ.1.1 piv rau BA.5. Cov tshuaj tiv thaiv tsis zoo no tiv thaiv tus kab mob uas ua rau Covid-19 los ntawm kev ua phem rau tib neeg lub hlwb.
Cov neeg uas muaj keeb kwm yav dhau los ntawm kev kis tus kab mob uas tau txais omicron booster, txawm li cas los xij, muaj cov lus teb muaj zog dua rau BQ.1.1. Cov tshuaj tiv thaiv uas neutralize BQ.1.1 yog ze li plaub npaug ntau dua nyob rau hauv pawg no piv rau cov tib neeg uas tsis muaj keeb kwm ntawm kev kis tus kab mob uas tau ntsib cov subvariant, cov kws tshawb fawb pom.
Kwv yees li 42% ntawm cov neeg laus hauv Asmeskas muaj keeb kwm yav dhau los ntawm kev kis tus kab mob, raws li kev tshawb fawb luam tawm los ntawm Lub Chaw Tiv Thaiv Kab Mob thiab Tiv Thaiv lub lim tiam dhau los. Cov txiaj ntsig tau ua raws li cov qauv ntshav rau cov neeg laus sau txij lub Yim Hli 2021 txog Lub Tsib Hlis 2022.
Omicron BQ.1.1 subvariant tshwm nyob rau hauv txoj kev los ua qhov sib txawv tseem ceeb hauv Teb Chaws Asmeskas Nws tam sim no muaj txog 32% ntawm cov kab mob hauv Teb Chaws Asmeskas, raws li CDC cov ntaub ntawv soj ntsuam. Omicron BA.5, ntawm qhov tod tes, tam sim no sawv cev txog 14% ntawm cov kab mob tshiab.
Cov boosters tau ua qhov tsis muaj zog tshaj tawm tsam XBB.1 subvariant, cov kws tshawb fawb pom. Cov tshuaj tiv thaiv tau ntau dua li yim npaug qis dua rau XBB.1 dua li omicron BA.5. Txawm li cas los xij, cov neeg uas muaj keeb kwm yav dhau los ntawm kev kis tus kab mob uas tau txais cov tshuaj muaj zog muaj peb zaug ntau cov tshuaj tiv thaiv kab mob XBB.1 dua li cov neeg uas tsis muaj keeb kwm Covid, raws li kev tshawb fawb.
Dr. Anthony Fauci, tus kws pab tswv yim kho mob hauv Tsev Dawb tau hais tias lub hli dhau los kev tiv thaiv los ntawm cov boosters poob me ntsis tawm tsam BQ.1.1, tab sis txo qis ntau dua tawm tsam XBB.
"Yog li, koj tuaj yeem xav txog qee qhov kev tiv thaiv, tab sis tsis yog qhov kev tiv thaiv zoo tshaj plaws," Fauci hais rau cov neeg sau xov xwm ntawm Tsev Dawb lub rooj sib tham ua ntej hnub Thanksgiving.
Txoj kev tshawb fawb Texas tau tshuaj xyuas cov ntshav ntawm 29 tus neeg uas tsis muaj keeb kwm ntawm kev kis tus kab mob uas tau txais omicron booster; 23 cov qauv los ntawm cov neeg uas tau txais cov tshuaj boost uas tau muaj keeb kwm kis mob; thiab 25 tus neeg uas tau txais koob thib plaub ntawm cov tshuaj tiv thaiv thawj zaug.
Cov qauv tau sau tseg 14 txog 32 hnub tom qab omicron booster thiab 23 mus rau 94 hnub tom qab koob thib plaub ntawm cov tshuaj tiv thaiv thawj zaug.
Source: https://www.cnbc.com/2022/12/06/covid-vaccine-omicron-boosters-weaker-against-bqpoint1point1-subvariant.html