The Appeals Court in Portugal rules PCR tests as unreliable for diagnosing SARS-CoV-2 infection and quarantine based solely on a PCR test is unlawful.

One study showed that “when running PCR tests with 35 cycles or more – the accuracy dropped to 3%, meaning up to 97% of positive results could be false positives

Globally a COVID-19 “Case” = Positive PCR test (with or without symptoms).