Yog vim li cas Omicron yuav tsum tau coj hnyav

Cov ntaub ntawv pov thawj txog tam sim no qhia tias Omicron variant ntawm SARS-CoV-2 muaj qhov sib kis tau zoo tab sis hmoov zoo muaj tsawg ntawm kev ua phem thiab tsis feem ntau ua rau cov tsos mob hnyav ntawm COVID-19 kab mob lossis tuag. Tab sis cov tshuaj tiv thaiv uas twb muaj lawm zoo li tsis tshua muaj txiaj ntsig vim muaj cov kab mob sib kis tau tshaj tawm. Nyob rau hauv qhov kev tshwm sim ntawm ntau tus neeg mob Omicron nrog cov tsos mob yuav tsum tau nyob rau hauv-tus neeg mob kev kho mob hauv tsev kho mob, muaj peev xwm ua kom muaj kev noj qab haus huv dhau los. Txawm li cas los xij, qhov kev hem thawj loj dua tshwm sim los ntawm Omicron variant yog qhov muaj peev xwm tshwm sim ntawm ib qho kev hloov tshiab uas muaj kev ua phem ntau dua vim muaj ntau cov kab ke sib txuas (sib kis) ntawm cov kab mob ntawm tib neeg. Thaj, qhov no yog li cas tus kab mob delta sib txawv heev tau los ua los ntawm cov kev hloov ua ntej dhau los ntawm kev sib kis ntawm cov neeg. Yog li ntawd, txwv tsis pub kis tus kab mob ntawm tib neeg xws li, rhuav tshem cov kab sib kis los ntawm kev siv lub ntsej muag ntsej muag, kev nyob deb ntawm lub cev thiab kev tsis sib haum xeeb yog qhov tseem ceeb.   

Muaj tsab ntawv ceeb toom ntawm omicron thiab cov tsos mob zoo li mob khaub thuas sai sai hauv London.  

Raws li ZOE Kev Tshawb Fawb Txog Kev Tshawb Fawb, tag nrho tam sim no muaj 87,131 tus neeg mob tshiab txhua hnub ntawm COVID hauv UK qhov nruab nrab. Kev nce ntawm 4% los ntawm 83,658 tus neeg mob tshiab txhua hnub lub lim tiam dhau los. Khiav qhov ntswg, mob taub hau, qaug zog (mob los yog mob hnyav), txham thiab mob caj pas yog tsib cov tsos mob tshaj tawm. Cov tsos mob khaub thuas zoo li yog qhov tseem ceeb ntawm Omicron. Hauv cov neeg tau txhaj tshuaj tag nrho, tam sim no muaj 27,000 tus neeg mob tshiab niaj hnub nyob hauv tebchaws Askiv. Kev nce ntawm 6% los ntawm 25,411 tus neeg mob tshiab txhua hnub lub lim tiam dhau los1.  

Hauv kev pom ntawm kev hloov pauv loj, nws xav tias Omicron variant yuav zam lub cev tiv thaiv kab mob rau qee qhov. Hauv kev tshawb fawb ntawm cov tib neeg uas tau txais ob koob tshuaj niaj hnub ntxiv rau koob tshuaj tiv thaiv mRNA, txhua tus neeg mob tau pom tias muaj cov tsos mob me me mus rau nruab nrab COVID-19 ua rau muaj kev xav tias txawm tias peb koob tshuaj mRNA yuav tsis txaus los tiv thaiv kev kis kab mob thiab cov tsos mob. kab mob2. Ib yam li ntawd, hauv lwm txoj kev tshawb fawb uas suav nrog kev tswj hwm cov koob tshuaj tiv thaiv kab mob tsis ua haujlwm ntawm COVID-19 tshuaj tiv thaiv BBIBP-CorV, cov kws tshawb fawb tau pom tias muaj kev cuam tshuam tseem ceeb hauv kev tiv thaiv lub cev tiv thaiv kab mob SARS-CoV-2 li cas los xij Omicron variant tau qhia dav dav tab sis tsis tiav kev khiav tawm ntawm cov tshuaj tiv thaiv kab mob elicited. neutralization3

Txawm hais tias qhov kev txhaj tshuaj tiv thaiv, cov mob Omicron feem ntau tsis cuam tshuam nrog COVID-19 cov tsos mob hnyav. Tsuas yog ib qho Omicron ntsig txog kev tuag tau tshaj tawm hauv tebchaws Askiv txog hnub no. Txawm li cas los xij, nyob rau hauv qhov xwm txheej ntawm Omicron ntau tus neeg mob nrog cov tsos mob xav tau kev saib xyuas hauv tsev kho mob, muaj kev pheej hmoo ntawm kev noj qab haus huv dhau los. Tab sis kev hem thawj loj heev cuam tshuam nrog nws qhov kis tau zoo heev.   

Nws tau tsim tias Omicron variant yog tshaj plaub zaug kis tau los yog kis tau ntau dua li qhov sib txawv ntawm delta. Hauv tsawg dua ib hlis txij li Omicron tau tshaj tawm thawj zaug hauv South Africa, nws tau kis thoob ntiaj teb. Thaum xub thawj, cov teeb meem kuaj pom tau muaj feem cuam tshuam txog kev mus ncig, tab sis tam sim no feem ntau ntawm cov teb chaws cuam tshuam tau pom muaj kev sib kis hauv zej zog siab. Kev kis tus kab mob siab yog qhov teeb meem ntawm kev txhawj xeeb vim tias ntau qhov kev kis tus kab mob ntawm cov neeg kis tus kab mob tuaj yeem ua rau muaj kev sib kis ntau dua yav tom ntej.  

Coronaviruses tsis muaj cov ntaub ntawv pov thawj nuclease ua haujlwm ntawm lawv cov polymerases vim li no cov ntaub ntawv rov ua dua tseem tsis raug kho uas suav nrog thiab ua rau muaj kev hloov pauv. Kev sib kis ntau dua txhais tau tias ntau dua qhov ua yuam kev li no ntau qhov kev hloov pauv hauv cov kab mob genome uas ua rau muaj kev hloov pauv tshiab. Tib neeg tus mob coronaviruses tau tsim kev hloov pauv los tsim cov kev hloov pauv tshiab hauv keeb kwm tsis ntev los no4. Thaj, qhov no yog li cas tus kab mob delta variant tau tshwm sim los ntawm cov kev hloov ua ntej dhau los ntawm kev sib kis ntawm cov neeg. 

Nrog rau kev ua koob tsheej Christmas thiab Xyoo Tshiab nyob rau hauv nws txoj kev, qhov kev pheej hmoo ntawm kev tshwm sim ntawm ib qho kev hloov tshiab nrog kev ua phem ntau dua vim muaj ntau qhov kev sib kis (kev sib kis) ntawm cov kab mob ntawm cov neeg tau yuam ntau lub teb chaws xws li Netherland, UK thiab Fabkis kom txwv kev kaw cia zoo li kev txwv. 

Limiting kis tau tus mob thiab rhuav lub kis tau tus mob chains yog tus yuam sij. Kev coj zoo qub ntawm kev siv lub ntsej muag ntsej muag, kev nyob deb ntawm lub cev thiab zam kev sib sau ua ke yuav tsum muaj txiaj ntsig zoo.  

*** 

References:   

  1. ZOE COVID Study, 2021. Cov Ntaub Ntawv Tshaj Tawm - Omicron thiab cov tsos mob zoo li mob khaub thuas sai sai hauv London. Luam tawm Lub Kaum Ob Hlis 16, 2021. Muaj nyob online ntawm https://covid.joinzoe.com/post/omicron-and-cold-like-symptoms-rapidly-taking-over-in-london 
  2. Kuhlmann C., UA thiab al 2021. Breakthrough Infections with SARS-CoV-2 Omicron Variant Txawm tias Booster Dose of mRNA Vaccine. Published: 9 December 2021. DOI: http://dx.doi.org/10.2139/ssrn.3981711 
  3. Yus X., thiab al 2021. Pseudotyped SARS-CoV-2 Omicron variant exhibits tseem ceeb dim ntawm neutralization induced los ntawm ib tug thib peb koob tshuaj tiv thaiv koob tshuaj. Preprint medRxiv. Tshaj tawm Lub Kaum Ob Hlis 18, 2021. DOI: https://doi.org/10.1101/2021.12.17.21267961 
  4. Prasad U., 2021. Variants of Coronavirus: What We Know So Far. Kev tshawb fawb European. Muab lo rau Lub Xya hli ntuj 12, 2021. Muaj nyob online ntawm https://www.scientificeuropean.co.uk/covid-19/variants-of-coronavirus-what-we-know-so-far/ 

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