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GidMK's profile
Health Nerd
Health Nerd
Health Nerd
Verified account
@GidMK

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Health NerdVerified account

@GidMK

Epidemiologist. Writer (Guardian, Observer etc). "Well known research trouble-maker". PhDing at @UoW Host of @senscipod Email gidmk.healthnerd@gmail.com he/him

Sydney, New South Wales
theguardian.com/profile/gideon…
Joined November 2015

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    Health Nerd‏Verified account @GidMK 22 Sep 2020

    Have you heard that 90% of COVID-19 positive tests are false positives? Turns out that it's simply not truehttps://medium.com/@gidmk/most-positive-coronavirus-tests-are-true-positives-60c95fe54fec …

    9:13 PM - 22 Sep 2020
    • 22 Retweets
    • 58 Likes
    • James Kathy H Rosalind Banks Nikki George Ashcroft John tooletime Fionnuala Donohue Jefrey with one f
    8 replies 22 retweets 58 likes
      1. New conversation
      2. Steve Shirley‏ @SShirleyDC 22 Sep 2020
        Replying to @GidMK

        Actually what I read by Dr. Mina at Harvard was that as many as 75% of Covid positive patients were unlikely to be infectious. Others said 90%. Stay on topic here.

        1 reply 0 retweets 1 like
      3. Health Nerd‏Verified account @GidMK 22 Sep 2020
        Replying to @SShirleyDC

        That is, of course, not at all a "false positive". These are people who have or have recently had a COVID-19 infection who may no longer be passing the virus on (although we don't know that for certain). Very different to a false result

        3 replies 0 retweets 9 likes
      4. Show replies
      1. New conversation
      2. ControlGroupMember‏ @JaneDryden4 23 Sep 2020
        Replying to @GidMK

        This is lies and propaganda. The false positive rate is NOT less than 0.1%, it is about 0.8%.

        1 reply 0 retweets 0 likes
      3. Health Nerd‏Verified account @GidMK 23 Sep 2020
        Replying to @JaneDryden4

        That is mathematically irreconcilable with the positive rate observed in NSW Australia, which is about 1 positive for every 2,000 tests done. Even if every single test was falsely positive, the "false positive rate" cannot be higher than 0.05%

        1 reply 0 retweets 3 likes
      4. Show replies
      1. New conversation
      2. Mark Wilkinson‏ @macca2323 23 Sep 2020
        Replying to @GidMK

        This article completely misses the point. False positives become an issue where disease incidence in society is lower than the FPR. In the UK, rate of infection is assessed as 0.11% - a generous FPR would be 0.8% based on historic EQAs.

        1 reply 0 retweets 0 likes
      3. Mark Wilkinson‏ @macca2323 23 Sep 2020
        Replying to @macca2323 @GidMK

        Do the maths in the article again with these figures.

        0 replies 0 retweets 0 likes
      4. End of conversation
      1. Dennis Sweitzer (PhD)‏ @DennisSweitzer 23 Sep 2020
        Replying to @GidMK

        I like to remind people that New York State testing is <1% positive putting a hard upper limit on RNA false positives. Also that most RNA false positives seem to be from cross contamination in the lab--so there needs to be some true positives to get false positives.

        0 replies 0 retweets 0 likes
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      1. jean southcott‏ @myda56 23 Sep 2020
        Replying to @GidMK

        I don't believe it is true either. That is such a harmful statement.

        0 replies 0 retweets 0 likes
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      1. Gordon:Covid grapher, data hunter-gatherer‏ @gordonrlove 23 Sep 2020
        Replying to @GidMK

        Are you positive?

        0 replies 0 retweets 0 likes
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