2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cov tshuaj tiv thaiv kab mob polio tau sim xyoo 1954, txhawb nqa los ntawm National Foundation for Infantile Paralysis (Lub Peb Hlis Ntuj ntawm Dimes), yog cov loj tshaj plaws thiab tshaj tawm cov kev sim tshuaj uas tau ua tiav.
Kev sim tshuaj tiv thaiv kab mob polio ntev npaum li cas?
Tshaj li ntawm tsawg dua 12 lub hlis, 1.8 lab tus menyuam yaus hauv 44 lub xeev-thiab hauv Canada thiab Finland-yuav nce mus koom rau hauv kev sim tshuaj tiv thaiv. Nws yog qhov ntsuas tsis tau pom dua, yeej tsis sib xws hauv lub tebchaws ua ntej lossis txij li ntawd.
Nws siv sijhawm ntev npaum li cas los tsim thiab sim tshuaj tiv thaiv kab mob polio?
Nws tau siv yuav luag 50 xyoo rau lwm txoj kev tshawb fawb kom nthuav dav cov yam ntxwv ntawm tus kab mob thiab nws txoj kev sib txuas nrog tus txha caj qaum. Lub sijhawm no, tus kws kho mob German Jacob Heine tau qhia nws qhov kev tshawb pom hauv xyoo 1840 ntawm poliomyelitis.
Yuav tshuaj tiv thaiv dab tsi hauv lub khob qab zib?
Sabin cov tshuaj tiv thaiv tuaj yeem muab ua kua, lossis muab tso rau hauv cov khoom qab zib zoo tib yam thiab noj. Ntau lab tus neeg Asmeskas tau txais cov khoom qab zib no. Tau txais tshuaj tiv thaiv kab mob polio rau pej xeem xav tau kev txhawb nqa lub tebchaws.
tus kab mob polio pib qhov twg los?
Thawj kab mob sib kis tau tshwm sim nyob rau hauv daim ntawv ntawm kev sib kis tsawg kawg yog 14 tus neeg ze Oslo, Norway, xyoo 1868 thiab ntawm 13 tus neeg nyob rau sab qaum teb Sweden xyoo 1881. Tib lub sijhawm lub tswv yim tau pib qhia tias tam sim no qhov xwm txheej ntawm tus menyuam tuag tes tuag tawtej zaum yuav kis tau.
Pom zoo:
Cov tshuaj tiv thaiv dab tsi rau kev txhaj tshuaj tiv thaiv thib ob?
Cov tshuaj tiv thaiv COVID-19 thib ob yog dab tsi? Cov kev mob tshwm sim feem ntau tom qab koob thib ob yog qhov mob ntawm qhov chaw txhaj tshuaj (92.1% tshaj tawm tias nws kav ntev dua 2 teev); qaug zog (66.4%); mob lub cev lossis leeg nqaij (64.
Cov tshuaj tiv thaiv tam sim no puas tiv thaiv kab mob sib txawv?
2) qhov sib txawv tam sim no yog qhov sib txawv tshaj plaws ntawm COVID-19. Nws yog ze li ob zaug kis tau tus kab mob ua ntej thiab yuav ua rau mob hnyav dua. Txawm hais tias kev tshawb fawb qhia tias cov tshuaj tiv thaiv COVID-19 tsis tshua muaj txiaj ntsig zoo rau qhov sib txawv, cov tshuaj tiv thaiv tseem zoo li muab kev tiv thaiv COVID-19 hnyav.
Yuav noj tshuaj tua kab mob puas cuam tshuam rau cov tshuaj tiv thaiv kab mob?
Nws puas muaj kev nyab xeeb los txhaj tshuaj tiv thaiv COVID-19 nrog tshuaj tua kab mob? Tsis muaj kev cuam tshuam lossis cuam tshuam ntawm cov tshuaj tua kab mob thiab tshuaj tiv thaiv COVID-19, yog li thaum qhia, tshuaj tua kab mob tuaj yeem noj txhua lub sijhawm cuam tshuam nrog kev tswj hwm tshuaj tiv thaiv COVID-19.
Puas yog lub cev tiv thaiv kab mob hauv lub cev puas tsim cov tshuaj tiv thaiv?
Lub cev tiv thaiv kab mob tau txais, nrog kev pab los ntawm lub cev hauv lub cev, tsim cov hlwb (tshuaj tiv thaiv kab mob) los tiv thaiv koj lub cev los ntawm ib tus neeg invader tshwj xeeb. Cov tshuaj tiv thaiv no yog tsim los ntawm cov hlwb hu ua B lymphocytes tom qab lub cev tau raug rau cov neeg ua phem.
Vim li cas cov kab mob muaj tshuaj tiv thaiv kab mob?
Kab mob txhim kho txheej txheem los ntawm kev siv cov lus qhia los ntawm lawv cov DNA. Feem ntau, cov noob caj noob ces muaj nyob hauv plasmids, me me ntawm DNA uas nqa cov lus qhia caj ces los ntawm ib tus kab mob mus rau lwm qhov. Qhov no txhais tau hais tias qee cov kab mob tuaj yeem faib lawv cov DNA thiab ua rau lwm cov kab mob ua kom tiv taus.
