Tojsiab
N95 thiab KN95 lub npog ntsej muag txo qhov tsis sib xws ntawm kev kuaj pom zoo rau Covid-19 los ntawm 83% piv rau 66% rau lub ntsej muag phais thiab 56% rau daim npog ntsej muag, raws li kev tshawb fawb thoob ntiaj teb luam tawm hnub Friday los ntawm US Lub Chaw Tiv Thaiv thiab Tiv Thaiv Kab Mob , txhawb kev siv zog los tshem tawm cov ntaub npog ntsej muag kom pom zoo rau kev npog ntsej muag zoo dua.
N95 daim npog qhov ncauj.
Smith Sau / Gado / Getty Dluab
Cov Lus Tseem Ceeb
Cov kws tshawb fawb koom nrog University of California ntawm Berkeley thiab California Lub Tsev Haujlwm Saib Xyuas Kev Noj Qab Haus Huv tau txiav txim siab tias txhua lub npog ntsej muag muaj kev tiv thaiv tseem ceeb tiv thaiv Covid thiab nws yog "tseem ceeb tshaj" kom hnav lub npog ntsej muag kom zoo uas tuaj yeem siv tau tas li.
Cov kev tshawb pom no txhawb ntxiv qhov xav tau los txhim kho kev nkag mus rau lub qhov ncauj qhov ntswg zoo thiab kom ntseeg tau tias kev nkag mus tsis yog qhov cuam tshuam rau kev siv, cov kws tshawb fawb tau hais.
Txoj kev tshawb no tau khiav txij Lub Ob Hlis 18 txog Lub Kaum Ob Hlis 1 thiab suav nrog 3,039 tus neeg nyob hauv California.
Tus Keeb Kwm Tseem Ceeb
Cov kev sim kuaj yav dhau los tau qhia tias cov kev cai npog ntsej muag hauv zej zog txo qis Covid tus nqi thiab lub qhov ncauj qhov ntswg pab tiv thaiv cov neeg hnav los ntawm kev kis tus kabmob lossis kis mus rau lwm tus. Cov kev tshawb pom no txhawb nqa txoj kev tshawb fawb hauv ntiaj teb 2020 uas tau ua los ntawm lub nkoj nkoj USS Theodore Roosevelt, qhov chaw cov neeg ua haujlwm uas hnav lub qhov ncauj qhov ntswg thaum muaj Covid muaj 55.8% muaj feem kis tau tus mob thiab cov uas tsis hnav lub qhov ncauj qhov ntswg muaj li 80% txoj hauv kev. ntawm tus kab mob. Txawm li cas los xij, cov ntaub ntawv ntawm kev ua tau zoo ntawm daim npog ntsej muag tau ua pov thawj tsis sib haum - thaum CDC pom cov ntaub npog ntsej muag 56% ua haujlwm tau zoo, kev kawm ntawm Bangladeshi cov zos pom cov ntaub npog ntsej muag tsuas yog 5% zoo, raws li Smithsonian magazine. Cov kev tshawb pom no tau ua rau muaj kev hloov pauv hauv kev xa xov mus rau kev txhawb nqa lub ntsej muag phais thiab lub tshuab ua pa. Thaum lub sij hawm kis tau tus kab mob kis tau zoo heev omicron variant, uas tam sim no suav txog 99.9% ntawm cov neeg mob hauv Teb Chaws Asmeskas, Lub Tsev Kawm Ntawv Hauv Cheeb Tsam ntawm Philadelphia, Cornell University, University of Arizona, University of Southern California thiab lwm lub tsev kawm ntawv tshaj tawm tias lawv xav kom cov tub ntxhais kawm ntawv. hnav lub qhov ncauj qhov ntswg los yog lub tshuab ua pa es tsis yog daim npog qhov ncauj. Qee lub dav hlau, suav nrog Air France, Lufthansa thiab Swiss International Air Lines, kuj tau txwv cov ntaub npog ntsej muag kom pom zoo rau kev npog ntsej muag zoo dua.
Tus lej Loj
400 lab. Qhov ntawd yog pes tsawg N95 qhov ncauj qhov ntswg uas Biden Administration tau cog lus tias yuav muab pub dawb rau pej xeem.
Tsis meej
N95 thiab KN95 qhov ncauj qhov ntswg yog qhov kev xav zoo sib xws ntawm kev pom, tab sis tau lees paub los ntawm cov koom haum sib txawv. N95 qhov ncauj qhov ntswg tau ntawv pov thawj los ntawm US National Institute for Occupational Safety and Health thaum lub ntsej muag KN95 ntau dua yog tsim nyob rau hauv Tuam Tshoj kom ua tau raws li lub teb chaws tus qauv. NIOSH pom tias kwv yees li 60% ntawm KN95 lub qhov ncauj qhov ntswg tsis ua haujlwm zoo li xav tau.
Contra
Txawm hais tias lub npog ntsej muag ua pa feem ntau ua haujlwm zoo dua li daim npog ntsej muag, ntau tus neeg xaiv hnav daim npog ntsej muag vim tias lawv xis nyob dua, cov kws tshawb fawb ntawm University of Virginia tau xaus. Tests commissioned los ntawm lub New York Times pom tias daim npog ntsej muag nrog cov lim lim tau thaiv los ntawm 94% mus rau 99% ntawm cov khoom me tshaj plaws tau sim, kev ua haujlwm zoo ib yam li N95 thiab KN95 daim npog qhov ncauj.
ntxiv nyeem ntawv
“Koj Puas Muaj N95 Lub Ncauj Tiv Thaiv Kev Ua Phem? Yuav Ua Li Cas Pom Lub Ntsej Muag Fake Face Masks" (Forbes)
Pab them tag nrho thiab qhia txog cov Coronavirus
Tau qhov twg los: https://www.forbes.com/sites/zacharysmith/2022/02/04/respirator-masks-48-more-effective-than-cloth-masks-study-finds/