Puas reassortment ua antigenic hloov?

Cov txheej txheem:

Puas reassortment ua antigenic hloov?
Puas reassortment ua antigenic hloov?

Video: Puas reassortment ua antigenic hloov?

Video: Puas reassortment ua antigenic hloov?
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Anonim

Reassortment tuaj yeem ua rau muaj kev hloov pauv hauv cov tshuaj tiv thaiv thaum tus tswv tsev nruab nrab, xws li npua, ib txhij kis tus tib neeg thiab tus kab mob khaub thuas avian A virus.

Dab tsi yog qhov hloov pauv antigenic tshwm sim los ntawm?

Antigenic hloov pauv tshwm sim thaum tus kab mob khaub thuas tsis yog tib neeg kis ncaj qha rau tib neeg tus tswvlossis thaum tus kab mob tshiab tsim los ntawm kev tshuaj ntsuam genetic reassortment ntawm cov kab mob khaub thuas tsis yog tib neeg thiab tib neeg tus mob khaub thuas.

Tus kab mob rotavirus puas tuaj yeem cuam tshuam txog kev hloov pauv hloov pauv?

Raws li cov lus piav qhia hauv qhov kev tshuaj xyuas no, hauv qhov xwm txheej rotavirus tuaj yeem hloov kho sai, los ntawm kev sib sau ntawm cov kev hloov pauv uas tuaj yeem ua rau antigenic hloov lossis los ntawm qhov tshwm sim ntawm cov kab mob tshiab, tej zaum los ntawm kev sib sau ua ke ntawm tsiaj thiab tib neeg hom.

Puas yog h1n1 antigenic hloov lossis drift?

CDC ntseeg tias tus kab mob no tshwm sim los ntawm antigenic hloov, uas tau sau tseg saum toj no yog txheej txheem los ntawm ob lossis ntau tus kab mob khaub thuas tuaj yeem hloov pauv cov ntaub ntawv keeb kwm los ntawm kev kis tus kabmob rau tib neeg lossis tsiaj host.

Dab tsi ua rau muaj kev hloov pauv hloov pauv thaum cov kab mob rov ua dua?

Antigenic Drift

Raws li tus kab mob rov ua dua, nws cov noob tau raug random "copying yuam kev" (piv txwv li kev hloov caj ces). Nyob rau tib lub sijhawm, cov kev luam ntawm cov noob caj noob ces tuaj yeem, ntawm lwm qhov kev hloov pauv ntawm tus kabmob, ua rau muaj kev hloov pauv ntawm tus kabmob 'cov proteins ntawm lub ntsej muag lossis antigens.

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