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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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    1. ɪᴀɴ ᴍ. ᴍᴀᴄᴋᴀʏ, ᴘʜᴅ  🦠 🤧 🧬 🥼 🦟 🧻 🧙‍♂️‏Verified account @MackayIM 18 Nov 2020

      ɪᴀɴ ᴍ. ᴍᴀᴄᴋᴀʏ, ᴘʜᴅ  🦠 🤧 🧬 🥼 🦟 🧻 🧙‍♂️ Retweeted Trisha Greenhalgh

      A very good thread on that Danish mask paper👍👇https://twitter.com/trishgreenhalgh/status/1329163949732933633 …

      ɪᴀɴ ᴍ. ᴍᴀᴄᴋᴀʏ, ᴘʜᴅ  🦠 🤧 🧬 🥼 🦟 🧻 🧙‍♂️ added,

      Trisha GreenhalghVerified account @trishgreenhalgh
      Long thread coming: mute if not interested. The DANMASK19 RCT of masking in Covid-19 prevention has been published. I have serious concerns. I’m deliberately not linking to the paper.
      Show this thread
      3 replies 27 retweets 73 likes
    2. Health Nerd‏Verified account @GidMK 18 Nov 2020
      Replying to @MackayIM

      Not sure I agree with the "too short" point - they tested IgM as well as IgG and from my understanding that should be detectable much earlier than 2 weeks? Also included PCR+ in their main analysis

      2 replies 0 retweets 4 likes
    3. ɪᴀɴ ᴍ. ᴍᴀᴄᴋᴀʏ, ᴘʜᴅ  🦠 🤧 🧬 🥼 🦟 🧻 🧙‍♂️‏Verified account @MackayIM 18 Nov 2020
      Replying to @GidMK

      No baseline PCR test from what I could interpret. Only a self-collected swab at the end of a month. About 7-10d for IgM to peak. IgG can sometimes precede, sometimes accompany appearance of IgM

      1 reply 0 retweets 4 likes
    4. Health Nerd‏Verified account @GidMK 18 Nov 2020
      Replying to @MackayIM

      Sure, but if you had a 30-day PCR, IgG and IgM surely you wouldn't expect to have missed many cases?

      1 reply 0 retweets 0 likes
    5. Health Nerd‏Verified account @GidMK 18 Nov 2020
      Replying to @GidMK @MackayIM

      I mean, there's some possibility that none of these tests would pick up someone who got infected right at the end of the study period, but surely you'd expect it to get most of them?

      2 replies 0 retweets 0 likes
      Health Nerd‏Verified account @GidMK 18 Nov 2020
      Replying to @GidMK @MackayIM

      Actually, I'm thinking carefully about this and I don't think it matters. The study is randomized, so as long as they met their recruitment target and expected power the argument about it being too short makes no sense imo

      7:08 PM - 18 Nov 2020
      0 replies 0 retweets 0 likes

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