Kev Txhim Kho Cov Tshuaj Tiv Thaiv Kab Mob Tiv Thaiv Kab Mob Khaus Viv-19 (COVID-XNUMX): Thaum twg Peb Puas Paub Tias Qib Tsim Nyog Tau Txais Los Li Cas?

Kev sib raug zoo thiab kev txhaj tshuaj tiv thaiv ob qho tib si ua rau muaj kev tiv thaiv tsiaj txhu tab sis kev loj hlob ntawm kev tiv thaiv tsiaj txhu los ntawm kev sib raug zoo yog ncaj qha rau tus naj npawb ntawm cov kab mob thib ob uas tshwm sim los ntawm thawj kis. Kev tiv thaiv kab mob qog noj ntshav tau hais tias tau tsim thaum feem pua ​​​​ntawm cov neeg nyob hauv cov pej xeem tau kis tus kab mob, thaum peb tuaj yeem hais tias qhov kev kaw cia tuaj yeem raug tshem tawm kom lub neej zoo li qub rov qab los. Kev tiv thaiv ib feem ntawm pab tsiaj tiv thaiv COVID-19 tuaj yeem tshwm sim rau cov tib neeg uas tau kis tus kab mob tsawg dua thiab yog tias tib neeg tau kis tus kab mob khaub thuas yav dhau los nrog tsev neeg muaj feem cuam tshuam.

'Pab tiv thaiv kab mob' yog txhais tau tias yog kev tiv thaiv kev kis kab mob uas cov pej xeem tau txais tom qab kis tus kab mob ua rau muaj kab mob nyob rau hauv ib puag ncig kev sib raug zoo hauv zej zog lossis thaum tib neeg raug inoculated nrog cov kab mob uas ua rau cov kab mob tsis muaj zog los ntawm kev siv cov tshuaj tiv thaiv uas tsim tawm los ntawm cov kab mob tshwj xeeb. . Hauv ob qho xwm txheej, lub cev tsim thiab kawm tsim cov tshuaj tiv thaiv kab mob tiv thaiv kev kis kab mob yav tom ntej los ntawm tib cov kab mob. Yog li, nyob rau hauv kev sib raug zoo kev noj qab haus huv cov neeg kis tau tus kab mob los ntawm cov neeg muaj tus kab mob nyob rau hauv ib txwm lub neej ntawm kev sib raug zoo lub neej tab sis nyob rau hauv kev txhaj tshuaj tiv thaiv uas tsis yog-kis cov neeg noj qab haus huv cov tshuaj tiv thaiv yog siv tshuaj tiv thaiv raws li ib tug txoj kev kho rau lub cev los tsim cov tshuaj tiv thaiv yog li tiv thaiv kab mob.

Yog li, ob qho tib si 'kev sib raug zoo' thiab 'kev txhaj tshuaj tiv thaiv' yog cov cuab yeej tseem ceeb hauv kev txhim kho pab tsiaj tiv thaiv kab mob. kab mob nyob rau hauv cov pejxeem; yav dhau los los ntawm tsis muaj nqi lossis cuam tshuam kev lag luam lossis zej zog tab sis nws cuam tshuam qee cov tswv cuab hauv zej zog rau kev xaiv tsis zoo thiab yog li yuav ua rau lub neej poob. Ntawm qhov tod tes, kev tsim tshuaj tiv thaiv yog siv sijhawm thiab ua rau muaj kev nqis peev ntau ntawm cov nyiaj thiab yog li kev txhaj tshuaj tiv thaiv. Vim tias cov kev tsis sib haum xeeb no, nws tsis yooj yim rau cov neeg tsim txoj cai los tsim cov tswv yim los txhim kho qhov zoo tshaj plaws ntawm kev siv ob lub cuab yeej ntawm kev tiv thaiv kab mob. Qhov twg los tawm tsam qhov sib npaug ntawm 'ob' rau qhov kev poob qis tsawg ntawm lub neej thiab nyob rau hauv qhov xwm txheej ceev heev uas muaj kev sib kis kis thoob qhov txhia chaw xws li Covid-19 yog qhov kev txiav txim siab nyuaj heev - yog tias koj tso cai 'kev sib raug zoo' rau kev tiv thaiv tsiaj txhu los txhim kho, koj ua rau kev lag luam khiav tab sis nws tuaj yeem ua rau muaj kev tuag ntau vim li no kev xyaum 'kev nyob sib nrug deb dhau los ua qhov tseem ceeb kom txog thaum muaj tshuaj tiv thaiv thiab kho mob. Ntxiv rau qhov no yog qhov teeb meem ntawm kev paub tseeb tias thaum twg qib txaus ntawm kev tiv thaiv tsiaj txhu tau tsim nyob rau hauv cov pej xeem kom tso cai txwv lossis tag nrho kev sib raug zoo tom qab xauv nrawm.

Ib qho ntawm cov kev txhawj xeeb tseem ceeb thoob ntiaj teb tam sim no hais txog COVID-19 kev kis thoob ntiaj teb, yog paub thaum twg kev tiv thaiv tsiaj txhu tau ua tiav / yuav ua tiav kom teem sijhawm lub sijhawm kom rov ua "ib txwm nyob" hauv txhua lub tebchaws cuam tshuam los ntawm kev sib kis.

Nyob rau hauv 'Letter to the Editor' tau tshaj tawm rau 21 Lub Peb Hlis 2020 hauv 'Journal of Infection' los ntawm Kwok KO., Florence Lai F et al., piav qhia tias qhov loj ntawm cov kab mob thib ob tshwm sim los ntawm thawj kis yog qhov qhia tau zoo ntawm ob qho tib si. kev pheej hmoo ntawm kev sib kis thiab kev siv zog yuav tsum tau tswj tus kab mob. Qhov no txhais tau tias yog tus naj npawb ntawm kev yug me nyuam R, uas tuaj yeem suav nrog kev ua lej ua lej suav nrog tus lej ntawm cov xwm txheej tshiab tau tsim nyob rau ib lub sijhawm, tus lej ntawm cov neeg mob tau zoo thiab tus nqi ntawm kev tuag cuam tshuam nrog tus kabmob. Thaum R paub, qhov feem pua ​​​​ntawm cov pej xeem tseem ceeb (Pcrit) uas yuav tsum tau kis tus kab mob los tsim kev tiv thaiv kab mob tuaj yeem suav nrog siv cov qauv hauv qab no.

PIB = 1-(1/R)

Tsis tas li ntawd, yog tias ib tug neeg tsis ntev los no tau kis tus kab mob khaub thuas txhua yam, lawv tuaj yeem ua rau tsis tshua muaj mob hnyav ntawm COVID-19. Qhov no tuaj yeem piav qhia tias yog vim li cas qee tus neeg uas tau kis tus mob khaub thuas tsis ntev los no yog asymptomatic thiab tej zaum yuav tsis kis tus kab mob loj heev los ntawm COVID-19.

Lwm qhov kev tshawb fawb tsis ntev los no tau tshaj tawm rau hnub tim 27 Lub Peb Hlis 2020 hauv cov neeg rau zaub mov preprint, Kamikubo thiab Takahashi tham txog cov cuab yeej sib kis rau kev kwv yees ntawm kev tiv thaiv ib feem ntawm pab tsiaj. Lawv piav txog lwm yam uas ua rau kev loj hlob ntawm pab tsiaj Kev tiv thaiv kab mob rau COVID-19 thaum ib tus neeg kis tus kab mob nrog tsawg dua thiab daim ntawv qub ntawm tus kab mob hu ua hom S as opposed to type L (ib qho tsis ntev los no uas muaj peev xwm rov ua dua thiab kis tau sai), nws dhau los ua ib feem ntawm kev tiv thaiv kab mob. txuas ntxiv nrog rau lwm yam kab mob npaws xws li hom L (2). Kev txhim kho ntawm kev tiv thaiv tsiaj txhu tuaj yeem lees paub los ntawm kev ua cov kev sim serological txhawm rau txheeb xyuas cov tshuaj tiv thaiv rau COVID-19. Qhov no yuav ua rau muaj teeb meem nyiaj txiag rau cov teb chaws tsim kho tab sis tuaj yeem tau txais los ntawm lub ntiaj teb tsim kho kom pib lub neej ib txwm muaj thiab txo qis kev lag luam mus tom ntej.

Cov kev tshawb fawb no qhia tias los ntawm kev txheeb xyuas cov pej xeem uas tau kis tus kab mob yav dhau los thiab los ntawm kev paub txog feem pua ​​​​tseem ceeb ntawm cov neeg muaj tus kab mob COVID-19 ua ke nrog kev sim tshuaj serological txaus thiab meej, ib tus tuaj yeem tsim thiab hloov cov tswv yim txhawm rau txhawm rau txhawm rau hauv ib feem thiab / lossis ua tiav. yam thiaj li yuav rov ua neej zoo li qub mus tom ntej.

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References:

Kwok KO., Florence Lai F et al., 2020. Herd tiv thaiv kab mob - kwv yees qib uas yuav tsum tau tiv thaiv tus kab mob COVID-19 hauv cov teb chaws cuam tshuam. Phau ntawv Journal ntawm Kab Mob. Published: 21 Lub Peb Hlis 2020. DOI: https://doi.org/10.1016/j.jinf.2020.03.027

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Rajeev Soni
Rajeev Sonihttps://web.archive.org/web/20220523060124/https://www.rajeevsoni.org/publications/
Dr. Rajeev Soni (ORCID ID: 0000-0001-7126-5864) muaj Ph.D. nyob rau hauv Biotechnology los ntawm University of Cambridge, UK thiab muaj 25 xyoo ntawm kev ua hauj lwm thoob plaws lub ntiaj teb no nyob rau hauv ntau lub koom haum thiab multinationals xws li Lub koom haum tshawb fawb Scripps, Novartis, Novozymes, Ranbaxy, Biocon, Biomerieux thiab ua tus thawj coj soj ntsuam nrog US Naval Research Lab hauv kev tshawb nrhiav tshuaj, tshuaj ntsuam xyuas molecular, qhia cov protein, biologic manufacturing thiab kev lag luam.

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