Understanding PCR Tests for Coronavirus

Understanding PCR Tests for Coronavirus

Opinion | From the beginning of the COVID-19 pandemic, the clarion call has been to test, test and test some more. However, right from the start, serious questions arose about the tests being used to diagnose this infection, and questions have only multiplied since then. Positive reverse transcription polymerase chain reaction (RT-PCR) tests have been […]

Coronavirus Cases Plummet When PCR Tests Are Adjusted

Coronavirus Cases Plummet When PCR Tests Are Adjusted

Health experts now say that PCR testing for SARS-CoV-2, the virus associated with the illness COVID-19, is too sensitive and needs to be adjusted to rule out people who have insignificant amounts of the virus in their system.1 The test’s threshold is so high that it detects people with the live virus as well as […]