Polymerase chain reaction (PCR) tests have become routine because of the COVID-19 pandemic, with more than a million PCR tests being carried out daily in the United States alone. What are now commonly ...

COVID-19 is commonly diagnosed by quantitative fluorescence real-time reverse transcriptase-polymerase chain reaction (qRT-PCR) (1, 2). The test is the sequential action of two enzymes–an ...

With laboratory methods and diagnostics advancing apace, Francesca Lake considers whether PCR is likely to retain its crown as an essential lab method, or whether it could be replaced and consigned to ...