![Qhov feem pua ntawm kev tiv thaiv pab tsiaj muaj txiaj ntsig zoo li cas? Qhov feem pua ntawm kev tiv thaiv pab tsiaj muaj txiaj ntsig zoo li cas?](https://i.answers-medical.com/preview/medical-health/14164600-what-percentage-of-herd-immunity-is-effective-j.webp)
Video: Qhov feem pua ntawm kev tiv thaiv pab tsiaj muaj txiaj ntsig zoo li cas?
![Video: Qhov feem pua ntawm kev tiv thaiv pab tsiaj muaj txiaj ntsig zoo li cas? Video: Qhov feem pua ntawm kev tiv thaiv pab tsiaj muaj txiaj ntsig zoo li cas?](https://i.ytimg.com/vi/dQoUkurokk0/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Herd Immunity thiab mob khaub thuas
Cov tshuaj tiv thaiv qhua pias, kab mob qhua pias, thiab qhua pias (MMR) yog 97% zoo tiv thaiv kab mob qhua pias. Yog li thaum ntau tus neeg hauv zej zog tau txais cov tshuaj tiv thaiv no, kev tiv thaiv tus nqi nyob siab. Cov tshuaj tiv thaiv kab mob khaub thuas txawv me ntsis. Nws tsuas yog li 40% txog 60% zoo hauv ib lub xyoo twg.
Raws li, qhov feem pua xav tau rau kev tiv thaiv pab tsiaj?
Cov tshuaj tiv thaiv kab mob qhua pias yuav tsum tau 90 feem pua 95 feem pua ntawm tag nrho cov pej xeem muaj kev tiv thaiv kab mob, qhov kev txhaj tshuaj tiv thaiv kab mob tau ntsuas raws li feem pua kev txhaj tshuaj tiv thaiv ntawm cov pej xeem lub hom phiaj - uas tsuas suav nrog cov tib neeg uas tsim nyog tau txais kev txhaj tshuaj tiv thaiv.
Tsis tas li ntawd, leej twg tau txais txiaj ntsig zoo tshaj los ntawm kev tiv thaiv pab tsiaj? Pab tiv thaiv kab mob yog qhov tseem ceeb vim tias nws tshwj xeeb tiv thaiv feem ntau Cov tswvcuab tsis muaj zog ntawm peb cov zej zog, suav nrog cov menyuam mos, cov poj niam cev xeeb tub thiab lwm tus neeg uas nws tiv thaiv kab mob cov kab ke tsis tuaj yeem tiv thaiv qee yam kab mob txaus ntshai lossis tuag taus lossis leej twg tsis tsim nyog tau txais qee yam tshuaj tiv thaiv.
Ib sab ntawm no, pes tsawg feem pua ntawm cov pej xeem yuav tsum tau txhaj tshuaj tiv thaiv kab mob tiv thaiv kab mob qhua pias?
95%
Npaum li cas tiv thaiv tsiaj txhu?
A, Kev xa tawm ntau dua 3 tiam tom qab kev taw qhia rau hauv cov neeg uas muaj kev cuam tshuam tag nrho (1 rooj plaub yuav ua rau 4 kis thiab tom qab ntawd mus rau 16 kis). B, Cia siab tias yuav kis tau tus mob yog tias (R0 - 1)/Ib0 = 1 - 1/R0 = ¾ ntawm cov pejxeem yog tiv thaiv kab mob . Los ntawm lub hauv paus no, (R.0 - 1) /ib0 hu ua pab tsiaj tiv thaiv qhov chaw.”
Pom zoo:
Cov txiaj ntsig ntawm kev tiv thaiv pab tsiaj yog dab tsi?
![Cov txiaj ntsig ntawm kev tiv thaiv pab tsiaj yog dab tsi? Cov txiaj ntsig ntawm kev tiv thaiv pab tsiaj yog dab tsi?](https://i.answers-medical.com/preview/medical-health/13869199-what-are-the-benefits-of-herd-immunity-j.webp)
Kev tiv thaiv tsiaj yog ib qho tseem ceeb vim tias nws tiv thaiv tshwj xeeb rau cov tswv cuab uas muaj kev phom sij tshaj plaws ntawm peb cov zej zog, suav nrog menyuam mos, poj niam cev xeeb tub thiab lwm tus neeg uas nws lub cev tiv thaiv kab mob tsis tuaj yeem tiv thaiv qee yam mob lossis tuag taus lossis leej twg tsis tsim nyog tau txais qee yam tshuaj tiv thaiv
Dab tsi yog qhov txiaj ntsig ib txwm rau PaO 2 Dab tsi yog qhov txiaj ntsig rau kev txiav txim siab qhov hnyav ntawm hypoxemia?
![Dab tsi yog qhov txiaj ntsig ib txwm rau PaO 2 Dab tsi yog qhov txiaj ntsig rau kev txiav txim siab qhov hnyav ntawm hypoxemia? Dab tsi yog qhov txiaj ntsig ib txwm rau PaO 2 Dab tsi yog qhov txiaj ntsig rau kev txiav txim siab qhov hnyav ntawm hypoxemia?](https://i.answers-medical.com/preview/medical-health/13936103-what-are-the-normal-values-for-pao-2-what-are-the-values-for-determining-the-severity-of-hypoxemia-j.webp)
Zoo li feem ntau qhov kev kho mob ib txwm muaj txiaj ntsig thiab ntau yam, lub ntsiab lus tuaj yeem sib txawv me ntsis, tab sis feem ntau cov ntsiab lus hauv qab no siv: Ua rau me me hypoxemia: PaO2 = 60 txog 79 mmHg. Qhov nruab nrab hypoxemia: PaO2 = 40 txog 59 mmHg. Hypoxemia hnyav: PaO2 <40 mmHg
Qhov feem pua ntawm kev raug mob ntawm qhov ncauj yog tiv thaiv tau?
![Qhov feem pua ntawm kev raug mob ntawm qhov ncauj yog tiv thaiv tau? Qhov feem pua ntawm kev raug mob ntawm qhov ncauj yog tiv thaiv tau?](https://i.answers-medical.com/preview/medical-health/13983334-what-percentage-of-sharps-injuries-are-preventable-j.webp)
Feem coob (64%) ntawm txhua qhov hollow-bore rab koob cuam tshuam txog kev raug mob tuaj yeem tiv thaiv tau los ntawm kev siv rab koob tsuas yog thaum tsim nyog, siv cov cuab yeej siv nrog cov yam ntxwv kev nyab xeeb, ua kom raug siv cov yam ntxwv nyab xeeb ntawm cov cuab yeej no, ua raws kev coj ua kom raug (xws li tsis rov hais dua) siv koob), thiab pov tseg cov koob kom zoo
Qhov twg ntawm cov no yog txoj hauv kev tiv thaiv kev tiv thaiv?
![Qhov twg ntawm cov no yog txoj hauv kev tiv thaiv kev tiv thaiv? Qhov twg ntawm cov no yog txoj hauv kev tiv thaiv kev tiv thaiv?](https://i.answers-medical.com/preview/medical-health/14001743-which-of-these-is-a-barrier-method-of-contraception-j.webp)
Barrier contraceptives tiv thaiv cov phev los ntawm tus poj niam lub tsev menyuam. Lawv suav nrog cov hnab looj qau, diaphragm, lub kaus mom lub ncauj tsev menyuam, thiab daim txhuam cev tiv thaiv kab mob. Qee cov hnab yas looj muaj cov tshuaj tua kab mob. Cov tshuaj tua kab mob yuav tsum tau siv nrog cov hnab looj tes thiab lwm yam tshuaj tiv thaiv kab mob uas twb tsis muaj lawm
Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so?
![Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so? Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so?](https://i.answers-medical.com/preview/medical-health/14027937-which-joint-disease-is-characterized-by-joint-stiffness-on-movement-and-joint-pain-of-weight-bearing-joints-that-usually-is-relieved-by-rest-j.webp)
Osteoarthritis feem ntau cuam tshuam rau txhais tes, qis nraub qaum, caj dab, thiab hnyav sib koom tes xws li hauv caug, lub duav, thiab ko taw