There's a lot of misinformation around about COVID-19 PCR tests. We asked an expert to clear it up RMIT ABC Fact Check ThuThursday 11 updated FriFriday 12 RMIT ABC Fact Check presents the latest debunked misinformation on COVID-19. ( Share Print text only Cancel CoronaCheck is RMIT ABC Fact Check's weekly email newsletter dedicated to fighting the misinformation infodemic surrounding the coronavirus outbreak. You can read the latest edition below, and subscribe to have the next newsletter delivered straight to your inbox. CoronaCheck #56 You may have seen online chatter referring to "PCR test cycles", or "Ct values", but did you understand what those terms meant? This week, we've spoken to an expert to explain — in simple terms — how PCR tests are processed in order to make a positive COVID-19 diagnosis.