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A Portuguese appeals court has ruled that PCR tests are unreliable and that it is unlawful to quarantine people based solely on a PCR test.
“if someone is tested by PCR as positive when a threshold of 35 cycles or higher is used (as is the rule in most laboratories in Europe and the US), the probability that said person is infected is less than 3%, and the probability that said result is a false positive is 97%.”
The court further notes that the cycle threshold used for the PCR tests currently being made in Portugal is unknown.
The threshold cycles used in PCR tests in India is between 37 and 40, which makes the reliability of the PCR test less than 3% and the false positive rate as high as 97%.
This case concerned the fact that four people had been quarantined by the Regional Health Authority. Of these, one had tested positive for COVID using a PCR test; the other three were deemed to have undergone a high risk of exposure. Consequently, the Regional Health Authority decided that all four were infectious and a health hazard, which required that they go into isolation.
The court’s summary of the case to rule against the Regional Health Authority’s appeal reads as follows:
“Given how much scientific doubt exists — as voiced by experts, i.e., those who matter — about the reliability of the PCR tests, given the lack of information concerning the tests’ analytical parameters, and in the absence of a physician’s diagnosis supporting the existence of infection or risk, there is no way this court would ever be able to determine whether C was indeed a carrier of the SARS-CoV-2 virus, or whether A, B and D had been at a high risk of exposure to it.”
It is also important to remember PCR was invented as a way to create copies of genetic material. Its was never intended to be a diagnostic tool.