FDA hais tias Covid cov tshuaj tiv thaiv yuav tsum tau hloov kho kom ntseeg tau tias muaj txiaj ntsig zoo tiv thaiv tus kab mob

Ib tus neeg ua haujlwm saib xyuas kev noj qab haus huv tswj hwm cov tshuaj tiv thaiv Pfizer-BioNTech Covid-19 ntawm lub tsev kho mob tshuaj tiv thaiv hauv Peabody Institute Library hauv Peabody, Massachusetts, Asmeskas, hnub Wednesday, Lub Ib Hlis 26, 2022.

Vanessa Leroy | Bloomberg | Cov duab Getty

Cov tshuaj tiv thaiv Covid-19 tau pom zoo tam sim no yuav xav tau kev hloov kho tshiab kom ntseeg tau tias muaj kev tiv thaiv qib siab vim tus kab mob txuas ntxiv mus, raws li Lub Chaw Tswj Xyuas Khoom Noj thiab Tshuaj.

FDA, hauv ib daim ntawv qhia luv luv luam tawm ua ntej lub rooj sib tham ntawm pawg neeg tawm tswv yim lub lim tiam no, hais tias cov kws tshawb fawb tseem tsis tau nkag siab tag nrho tias Covid variants cuam tshuam li cas ntawm kev ua tau zoo ntawm cov tshuaj tiv thaiv. Txawm li cas los xij, kev hloov pauv mus rau cov protein ntau, uas yog siv los ntawm tus kab mob txhawm rau txhawm rau tib neeg lub hlwb, tau txo cov txiaj ntsig ntawm cov tshuaj tiv thaiv tam sim no. Qhov ntawd yog vim hnub no Covid kev txhaj tshuaj tau tsim los txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau cov tshuaj tiv thaiv covid, cov tshuaj tiv thaiv kab mobCov.

FDA pawg neeg tawm tswv yim ntawm cov kws tshaj lij tshuaj tiv thaiv sab nraud hnub Wednesday yuav tham txog yuav ua li cas Asmeskas tuaj yeem tsim cov txheej txheem pob tshab los ua cov lus pom zoo txog kev hloov cov tshuaj tiv thaiv yog tias xav tau. Pfizer thiab Niaj hnub Tam sim no tab tom ua qhov kev sim tshuaj ntsuam xyuas ntawm cov tshuaj tiv thaiv raws li omicron variant, uas yog qhov tseem ceeb ntawm tus kab mob thoob ntiaj teb. Omicron thiab nws cov kab mob sib kis tau sai heev BA.2 muaj ntau qhov kev hloov pauv uas ua rau lawv muaj peev xwm txhim kho kom dhau los ntawm cov tshuaj tiv thaiv thiab ua rau muaj kab mob uas ib txwm ua rau mob me.

Cov hauj lwm zoo ntawm Pfizer or Niaj hnub nimno ob koob tshuaj tiv thaiv kab mob me me los ntawm omicron poob los ntawm 70% rau tsuas yog 10% 25 lub lis piam tom qab txhaj tshuaj thib ob, raws li UK Health Security Agency. Ib koob thib peb nce kev tiv thaiv mus rau 75% rau li 4 lub lis piam, tab sis tom qab ntawd nws poob rau ntawm 25% mus rau 40% tom qab 15 lub lis piam. Kev ua tau zoo ntawm ob koob tshuaj tiv thaiv kev mus pw hauv tsev kho mob los ntawm omicron poob los ntawm 71% mus rau 54% tom qab tsib lub hlis, raws li lub Tsev Saib Xyuas Kev Tiv Thaiv thiab Tiv Thaiv. Kev txhaj tshuaj thib peb tau nce kev tiv thaiv mus rau 91%, uas tom qab ntawd poob rau 78% tom qab plaub lub hlis.

Thaum cov tshuaj tiv thaiv thawj zaug tau tso cai thaum Lub Kaum Ob Hlis 2020 lawv tau 90% zoo ntawm kev tiv thaiv kab mob uas ua rau muaj tsos mob, Raws li lub CDC.

FDA, nyob rau hauv cov ntaub ntawv luv luv, tau hais tias nws tsis tuaj yeem kwv yees qhov kev hloov pauv twg yuav dhau los ua qhov tseem ceeb thiab ntev npaum li cas, tsim kom muaj kev txwv rau ntau npaum li cas cov tshuaj tiv thaiv tuaj yeem hloov kho. Tus kws tswj hwm tshuaj kuj tau hais tias nws yuav tsum pom cov ntaub ntawv kuaj mob ua ntej tso cai hloov pauv hauv cov tshuaj tiv thaiv kom ntseeg tau tias lawv ua tau zoo thiab tsis ua rau muaj kev txhawj xeeb txog kev nyab xeeb.

CNBC Huv & Science

Nyeem CNBC qhov kev tshaj tawm thoob ntiaj teb tshiab ntawm Covid kis thoob qhov txhia chaw:

FDA tau thov kom siv cov txheej txheem hloov kho tshuaj tiv thaiv kab mob khaub thuas raws li kev qhia txog yuav ua li cas Covid cov tshuaj tiv thaiv tuaj yeem hloov kho yav tom ntej. Lub Koom Haum Saib Xyuas Kev Noj Qab Haus Huv Ntiaj Teb ntsib ob zaug hauv ib xyoos los tshuaj xyuas cov kab mob khaub thuas sib txawv thiab ua kom pom zoo txog qhov muaj pes tsawg leeg ntawm cov tshuaj tiv thaiv. FDA cov kws tshaj lij sab nraud, Pawg Neeg Saib Xyuas Tshuaj Tiv Thaiv thiab Cov Khoom Siv Tshuaj lom neeg muaj feem cuam tshuam, tom qab ntawd ntsib los ua nws tus kheej cov lus pom zoo rau Asmeskas Cov neeg tswj hwm tshuaj tom qab ntawd txiav txim siab raws li pawg neeg cov lus qhia. FDA tsis yog khi los ntawm WHO cov lus pom zoo tshuaj tiv thaiv kab mob khaub thuas, tab sis cov tshuaj tswj hwm ib txwm tuaj rau tib qhov kev txiav txim siab.

Txawm li cas los xij, FDA tau hais hauv nws cov ntaub ntawv qhia luv luv tias nws yuav xav tau los txiav txim siab hloov kho Covid cov tshuaj tiv thaiv yam tsis muaj kev pom zoo ua ntej WHO. Nws tsis paub meej yog tias kev sib kis ntawm Covid yuav ua raws li tus qauv uas yuav ua rau muaj kev pom zoo thoob ntiaj teb txog kev hloov kho tshuaj tiv thaiv tau, FDA tau hais hauv daim ntawv.

Pawg neeg saib xyuas FDA rau hnub Wednesday tseem yuav tham txog seb qhov kev txhaj tshuaj thib plaub ntawm Covid tuaj yeem raug lees paub rau cov neeg hluas hauv Asmeskas ntawm qee lub sijhawm. Cov tshuaj regulator tso cai thib plaub Pfizer thiab Moderna koob tshuaj rau cov neeg laus hnub nyoog 50 thiab laus dua Lub lim tiam dhau los raws li cov ntaub ntawv los ntawm cov neeg Ixayees qhia tias kev txhaj tshuaj ntxiv txo qis kev tuag ntawm cov neeg laus. Pawg neeg saib xyuas FDA tsis tau ntsib los ua kev pom zoo ua ntej qhov kev txiav txim siab, thiab nws yuav tsis muaj kev pov npav rau cov lus pom zoo rau hnub Wednesday.

Dr. Peter Marks, tus thawj coj ntawm FDA lub chaw ua haujlwm rau cov tshuaj tiv thaiv kev nyab xeeb thiab kev ua tau zoo, tau hais lub lim tiam dhau los Cov koob tshuaj ntxiv yuav xav tau thaum lub caij nplooj zeeg. Cov kws paub txog kev noj qab haus huv rau pej xeem thiab kws kho mob kis mob tau hais tias Asmeskas tuaj yeem ntsib lwm nthwv dej ntawm Covid tus kab mob nyob rau lub sijhawm ntawd vim tias kev tiv thaiv los ntawm cov tshuaj tiv thaiv wanes thiab tib neeg tsiv tawm sab hauv tsev kom dim ntawm huab cua txias.

Tau qhov twg los: https://www.cnbc.com/2022/04/04/fda-says-covid-vaccines-may-need-to-be-updated-to-ensure-high-level-of-effectiveness-against- virus.html