PCR tests and the prickly partnership between science and state

As COVID-19 case counts rise across the United States and Europe, it is important to understand how we identify active cases, but some scientists are concerned that positive test results conflate active case numbers. Finding an active case of COVID-19 involves a diagnostic test using a technique known as polymerase-chain reaction, or PCR. PCR is … Continue reading PCR tests and the prickly partnership between science and state