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The PCR test, used to determine COVID-19 cases, amplifies RNA fragments to detect the virus. However, the high amplification can also detect traces of dead virus or remnants from other coronaviruses. Scientists recommend not testing over 30 cycle thresholds to avoid false positives. When labs reduced the cycles, case numbers significantly decreased. False positives can occur almost half the time, especially in populations with low COVID-19 prevalence. In the past, PCR tests have caused false epidemics. The test requires skilled technicians and careful handling, but it is currently being conducted on a large scale with hastily trained personnel. Therefore, it is important to question the accuracy of reported case numbers.