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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. Health Nerd‏Verified account @GidMK 5 May 2020

      1/13 There are still tons of news pieces every day about whether #COVID19 is 'airborne' This is understandable, because airborne=infectious=scary But we know that the disease isn't airborne, at least not in the traditional sense What's going on?pic.twitter.com/jPxpKIjRPF

      4 replies 10 retweets 28 likes
      Show this thread
    2. Health Nerd‏Verified account @GidMK 5 May 2020

      2/13 The idea with airborne diseases is that they are far more infectious than non-airborne ones because people often catch the disease with only minimal or even no direct contact with infected people

      1 reply 0 retweets 2 likes
      Show this thread
    3. Health Nerd‏Verified account @GidMK 5 May 2020

      3/13 There have been cases of measles demonstrating that a level of virus high enough to be infectious can stay in a room up to ~75 minutes after the person who is sick has leftpic.twitter.com/LU1UXS8kny

      2 replies 0 retweets 2 likes
      Show this thread
    4. Health Nerd‏Verified account @GidMK 5 May 2020

      4/13 And we know, from every investigation so far, that COVID-19 simply isn't infectious enough for this to be the MAIN route of infection Measles, for example, is roughly 6x as infectious as COVID-19. Mumps is 4x

      1 reply 0 retweets 3 likes
      Show this thread
      Health Nerd‏Verified account @GidMK 5 May 2020

      5/13 It's most likely that MOST COVID-19 infections are caused by close-range droplets - a sick person coughs or sneezes (or talks) and contaminates you or a surface which you then touch (called "fomites")pic.twitter.com/5pBsVTPSKO

      7:02 PM - 5 May 2020
      • 5 Likes
      • Thatcher Ulrich Luca T M.B. Drapier Campaign Against Phony Autism Cures Carmina
      1 reply 0 retweets 5 likes
        1. New conversation
        2. Health Nerd‏Verified account @GidMK 5 May 2020

          6/13 All of this has been known for some time, and is where, for example, the 1.5-2 metre spacing rules come from

          1 reply 0 retweets 3 likes
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        3. Health Nerd‏Verified account @GidMK 5 May 2020

          7/13 Does this make the question about airborne spread entirely obsolete? Not quite There's still the pesky outliers to deal with

          1 reply 0 retweets 4 likes
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        4. Health Nerd‏Verified account @GidMK 5 May 2020

          8/13 As I said, MOST infections are clearly not airborne But, we've also seen evidence that there is probably SOME level of airborne transmission - rare, perhaps, but it may happen For the sake of argument, let's say it's 1% of infections

          1 reply 0 retweets 3 likes
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        5. Health Nerd‏Verified account @GidMK 5 May 2020

          9/13 Think about it - if everyone's social distancing properly then MOST infections - all of the short-range ones - will be prevented We've seen this happen all over the world But the 1% may not be reduced nearly as much by these measures

          1 reply 0 retweets 2 likes
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        6. Health Nerd‏Verified account @GidMK 5 May 2020

          10/13 Thing is, that last 1% is also the hardest to get at. It requires even further investments - not just universal masking, but revising aircon, making long-lasting changes to office structures etc It's quite hard to prevent us breathing the same air

          2 replies 0 retweets 3 likes
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        7. Health Nerd‏Verified account @GidMK 5 May 2020

          11/13 And we don't NEED to prevent these infections (we might WANT to) To stop the epidemic, the key is to reduce Reff below 1, and we have seen that this is eminently possible using social distancing, testing, contact tracing, and other measurespic.twitter.com/H8CKGkHQQX

          1 reply 0 retweets 6 likes
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        8. Health Nerd‏Verified account @GidMK 5 May 2020

          12/13 The marginal benefit to eliminating the possibility of ANY airborne spread is small, but the cost is big Which is why even though there may be the occasional airborne case, it's not a huge issue for most governments and agencies

          2 replies 0 retweets 4 likes
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        9. Health Nerd‏Verified account @GidMK 5 May 2020

          13/13 So yes, there may be SOME cases caused by viral particles in the air We may eventually have definitive evidence that it is possible and has happened But it remains unlikely that it has or will play a significant role in the pandemicpic.twitter.com/JMofs9z8By

          1 reply 0 retweets 7 likes
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        10. End of conversation

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