COVID-19 spreads wildly all over the world, breaking our peaceful life. We are also hearing a lot of medical vocabularies that we have never heard before. This article will use the simplest word to explain what PCR is and what role he played in the epidemic.
It is not uncommon to see news about the low accuracy of the PCR test kit. Why WHO insisted that the standard method of testing is real-time reverse transcription polymerase chain reaction (rRT-PCR). This article will talk about what the test kit is, how it works and compare with other detection methods. I believe you will have your own judgment on the practicality of the detection reagent after reading.