Ib qho tshuaj tiv thaiv qis yog ib qho tshuaj tiv thaiv tsim los ntawm kev txo cov kab mob sib kis, tab sis tseem ua kom nws siv tau. Attenuation siv tus neeg sawv cev kis kab mob thiab hloov nws kom nws ua tsis zoo los yog tsis muaj kab mob tsawg. Cov tshuaj tiv thaiv no sib txawv rau cov uas tsim los ntawm "tua" tus kab mob.
Nws txhais li cas yog tias txhaj tshuaj tiv thaiv qis?
Cov tshuaj tiv thaiv nyob qis muaj tag nrho cov kab mob lossis cov kab mob uas tau "tsis muaj zog" (ua kom qis) kom lawv tsim cov tshuaj tiv thaiv kab mob tab sis tsis ua rau muaj kab mob rau cov neeg noj qab haus huv.
Yuav tshuaj tiv thaiv dab tsi?
Cov tshuaj tiv thaiv kab mob muaj sia nyob tam sim no muaj thiab niaj hnub pom zoo hauv Tebchaws Meskas yog MMR, varicella, rotavirus, thiab mob khaub thuas (intranasal). Lwm cov tshuaj tiv thaiv tsis tu ncua muaj xws li tshuaj tiv thaiv kab mob adenovirus (siv los ntawm tub rog), tshuaj tiv thaiv kab mob typhoid (Ty21a), thiab Bacille Calmette-Guerin (BCG).
Yuav ua li cas piv txwv ntawm cov tshuaj tiv thaiv attenuated?
Piv txwv li tam sim no muaj nyob, cov tshuaj tiv thaiv kab mob tiv thaiv kab mob muaj xws li measles, mumps, rubella (MMR), cowpox, yellow fever, influenza (FluMist®) intranasal vaccine), thiab tshuaj tiv thaiv kab mob polio hauv qhov ncauj. Cov tshuaj tiv thaiv kab mob muaj sia nyob muaj xws li tuberculosis, BCG, thiab tshuaj tiv thaiv kab mob ntawm qhov ncauj.
Vim li cas thiaj siv tshuaj tiv thaiv qis?
Cov tshuaj tiv thaiv nyob tsis muaj zog
Cov tshuaj tiv thaiv muaj sia siv cov tshuaj tiv thaiv tsis muaj zog (los yog txo qis) cov kab mob uas ua rau muaj kab mob. Vim tias cov tshuaj tiv thaiv no zoo ib yam li cov kab mob hauv lub ntuj uas lawv pab tiv thaiv, lawv tsim lub zog tiv thaiv kab mob thiab kav ntev.