Cov qauv ntawm kev sib xyaw ua ke tom qab cov neeg siv khoom noj khoom haus (PCR) rau hauv kev siv lub ntim yooj ywm tau muaj kev cuam tshuam zoo rau kev lag luam ntim khoom. Cov chaw muag khoom tau txuas ntxiv rau feem pua ntawm PCR siv hauv cov khoom ntim, ua rau lawv muaj ntau lub zej zog ib puag ncig thiab kev txaus siab rau cov neeg siv khoom.
Nyob rau hauv cov ntaub ntawv ntim tau yooj yim dua uas tuaj yeem tuav cov khoom siv qhuav, qhov tshwm sim ntawm pcr tuaj yeem txo qhov cuam tshuam rau ib puag ncig cov khoom ntim. Los ntawm kev siv cov feem pua siab ntawm PCR hauv cov hneev dua no, cov tuam txhab yuav tsis tsuas yog pab txhawb nqa cov khoom lag luam ncig uas yuav txwv tsis pub siv cov ntaub ntawv pov tseg.
Qhov hloov pauv mus rau ntau cov kev ua lag luam ntim ruaj khov yog ib kauj ruam tseem ceeb los tsim kev siv cov khoom siv hluav taws xob ntau ntxiv. Los ntawm kev puag pccing pc hauv ntim tau yooj yim, cov tuam txhab tuaj yeem ua rau lawv cov kev cog lus kom txo cov peev txheej thiab kev lees paub ob lub ntiaj teb thiab lawv kab hauv qab.
