Medical experts who testified before a Manitoba court in a challenge against pandemic restrictions put a spotlight on the limitations of the PCR tests being used to diagnose COVID-19, questioning the legitimacy of their use to justify lockdown measures.
Stanford University professor and epidemiologist Dr. Jay Bhattacharya and infectious disease specialist Dr. Thomas Warren both said the polymerase chain reaction (PCR) test is unreliable for determining whether someone is infectious with the COVID-19 disease.