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Date Posted: Friday, October09, 11:03:am
Author: Always negative waves
Subject: Re: Padilla IS the problem
In reply to: covid in schools 's message, "Re: Padilla IS the problem" on Friday, October09, 05:43:am

Due diligence required. fwiw...
“Since no quantified virus isolates of the 2019-nCoV are currently available, assays [diagnostic tests] designed for detection of the 2019-nCoV RNA were tested with characterized stocks of in vitro transcribed full length RNA (N gene;GenBank accession: MN908947.2) of known titer (RNA copies/µL) spiked into a diluent consisting of a suspension of human A549 cells and viral transport medium
(VTM) to mimic clinical specimen."
https://www.fda.gov/media/134922/download page 39 Performance Characteristics

A PCR test can look for RNA evidence which comes from a virus (which, by my interpretation, in this case was mimicked because it has been neither isolated and, as such, quantified). The PCR test is designed to detect a small portion of a virus genome. This small portion is then amplified multiple times to an arbitray detectable point which is determined to be "positive".

About those "positive" "cases"...
‘In epidemiology, a case fatality rate (CFR) — sometimes called case fatality risk or disease lethality — is the proportion of deaths from a certain disease compared to the total number of symptomatic people diagnosed with the disease.’ 1
"Note the word symptomatic i.e. someone with symptoms.
However, now we stick a swab up someone’s nose, who feels completely well, or very mildly ill. We find that they have some COVID particles lodged up there, and we call them a case of COVID. Sigh, thud! A symptomless, or even mildly symptomatic positive swab is not a case. Never, in recorded history, has this been true. However, now we have an almost unquestioned acceptance that a positive swab represents a case of COVID. This is then parroted on all the news channels as if it were gospel."
https://drmalcolmkendrick.org/2020/09/04/covid-why-terminology-really-matters/

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