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PCR testing credibility

  • 31-01-2023 11:27am
    #1
    Martx
    Registered Users, Registered Users 2 Posts: 48 ✭


    Is it just me wonders, how credible is PCR testing in detecting live covid-19 virus? I lloked up on HSE, even they say that PCR can not detect live virus and the numbers of cases and lockdowns were based on PCR testing results. If I ask medical staff, they look at me like I'm talkinf about flat earth BS. Anyone else have questions regarding that?



Comments

  • #2
    astrofool
    Registered Users, Registered Users 2 Posts: 17,165 ✭✭✭✭astrofool


    Might be worth linking to the HSE site with the information you're using.

    Most debate around PCR was around the number of cycles used to get a high chance of a true positive 98%+). There is also good graphs showing the range of detection of PCR vs. antigen which also shows why antigen wasn't much good for containing the spread (the initial days of spreading infection are missed).

    Though there is a conspiracy that the tests don't take any virus at all and it's all faked, but they're not credible.



  • #3
    Martx
    Registered Users, Registered Users 2 Posts: 48 ✭Martx


    https://www.boards.ie/discussion/comment/120181685#Comment_120181685

    If the cycle number is high, it might give positive result, even if there is no virus at all. Low cycle number would detect the virus particles, but it does not show if the virus is viable and the test would be positive even weeks after the real infection. So what is the point of this testing then? 3rd note shows, that it detects the dead virus too.

    Screenshot_20230201-092458_Drive.jpg




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