Gwajin sarkar polymerase (PCR) don COVID-19 gwajin kwayoyin halitta ne wanda ke nazarin samfurin numfashi na sama, yana neman kayan halitta (ribonucleic acid ko RNA) na SARS-CoV-2, kwayar cutar da ke haifar da COVID-19.Masana kimiyya suna amfani da fasahar PCR don haɓaka ƙananan adadin RNA daga samfurori zuwa deoxyribonucleic acid (DNA), wanda ake maimaitawa har sai an gano SARS-CoV-2 idan akwai.Gwajin PCR ita ce gwajin ma'aunin gwal don gano COVID-19 tun lokacin da aka ba da izini don amfani a cikin Fabrairu 2020. Daidai ne kuma abin dogaro ne.
Lokacin aikawa: Maris 15-2022