Vim li cas qee cov ntawv xeem kim heev thiab qee cov ntawv xeem pheej yig heev?
Apr 15, 2019
Hauv cov ntawv kuaj tsiaj tus nqi, tus nqi loj dua yog nws cov ntaub ntawv raw, thiab qhov zoo ntawm cov ntaub ntawv raw yog txiav txim siab qhov kev ua tau zoo ntawm daim ntawv xeem cov cim tseem ceeb dua. Thiab tus nqi ntawm cov kab mob tsiaj zoo antibody antigen feem ntau yog cov tshuaj tiv thaiv kab mob dav dav 2-3 zaug lossis ntau dua, ua rau tus nqi sib txawv ntawm daim ntawv xeem tiav yog qhov tseem ceeb dua.
Tsis tas li ntawd, kev ruaj ntseg ntawm daim ntawv xeem yog txawv, uas nyob rau hauv lem nyob ntawm qhov ruaj khov ntawm cov txheej txheem ntawm cov ntawv xeem. Txhawm rau ua kom tiav, cov khoom lag luam zoo hauv tus nqi tsis tuaj yeem ua tau zoo li qis- cov khoom kawg los muab rau cov neeg siv khoom.