Pete 😷 #COVIDisAirborne Profile picture
Mar 6 14 tweets 4 min read Read on X
In Jan there was a conference:
Breathing achievement into every classroom
This conference was designed to probe the link between Indoor Air Quality (IAQ) in educational buildings and the health, wellbeing, and educational outcomes of students.
UKHSA presented & IAQ experts.
1/🧵Image
This was something of a surprise to me.
I'm faced with a presentation from @UKHSA and some of their Key Recommendations are:
• Use of air cleaners in naturally ventilated buildings.
• Ensuring provision of adequate classroom ventilation
This seems like quite a breakthrough.
2/Image
~90% of UK schools are naturally ventilated.
This recommendation is that air filters are put into all naturally ventilated classrooms.
I've been calling for this for a number of years now and I never thought I'd hear @UKHSA recommend this given the years of pushback from Gov.
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But the presentation went far further than this.
It is clear that they know the link between IAQ and absenteeism.
They also recommend that cost/benefit analysis looks at the wider picture.
They know there are significant cost savings & health benefits.
4/ Image
They know that better indoor air improves student performance:
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They know that higher ventilation rates are needed to cope with infectious airborne diseases like Covid and of course, this is the missing link from the presentation; it's mainly about pollutants, not disease and all past tense but I still take this as a major step forward.
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More on absence: They know that poor indoor air quality & environment leads to increased absenteeism.
They haven't quite made the link to infectious diseases & absenteeism which is obviously an even more significant aspect for absence through illness.
Nonetheless; still good:
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There are a lot more points to make but I just wanted to jot this out quickly to acknowledge the work of the people below from UKHSA (who are not on here) and share the hope that change is coming.
Thanks @mishwoz or @CleanAirClassrm for signposting me to this conference.
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Here is a link. Scroll down and the full presentation from all speakers, including Prof Cath Noakes and @HenryBurridge is available to download from this link.
Now we need to ensure it gets implemented & the right air filters are used.
9/
eurovent.eu/events/iaqmatt…
By 'the right air filters' I mean schools getting proper advice from folk who truly know.
Key:
High CADR performance with low noise. No added tech inc UV inside or ionisers. Low cost, low power usage, easy maintenance, accessible replacement filters, no auto function etc.
10/
I say this because I saw a UK Council lauding their achievements for what they're using and honestly, the machines installed tick almost none of the items on my list of key requirements ❌
Ending up with the wrong thing and spending a fortune doing so disappoints me greatly.
11/
When things come up for tender (as with the Council), please make sure the list of requirements is made by someone who knows this stuff; rather than someone who thinks they do or is just buying from a preferred supplier or based on some study or other.
Get the right advice.
12/
Lastly UKHSA are making these recommendations, true but who to:
Well I am assuming to policy makers to Department for Education and Government more broadly.
And if they know this is needed in schools, they must also know it's needed in all indoor settings.
Stay hopeful.
13/🔚
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More from @PeteUK7

Mar 6
There was a webinar on school air quality yesterday.
It was attended by the teachers unions and had some excellent presentations.
There was one presentation I must mention though.
Herts council were suggesting using the machines they bought should be a blueprint for others.
1/🧵
Whilst it's great that they invested in air filters, the choice of machine baffles me quite frankly.
It's costly, noisy, has default auto mode, power hungry and unnecessary tech like UV (which has no utility at all in this set up) and an ioniser that cannot be disabled.
2/
I'm struggling to find a plus point.
They are saying nobody needs to go through a procurement process because they have done all of the leg work and this can just be used by others.
This terrifies me 😬.
It's the wrong product entirely for suitability for classroom use.
3/
Read 9 tweets
Feb 16
I don't normally spend time arguing on here but I have lately. I'm so fed up with misinfo. Thought I'd challenge some of it.
It's amazing how strong opinions are formed from such little knowledge or insight.
Often people are fooled by credentials; cos they must know, right?
1/🧵
However, when you consider how we ended up here, we have had no end of highly credentialed people who are just flat out wrong, 'helping' to direct policies.
Qualifications are all well and good but it doesn't = right.
But folk who don't know are guided by folk they think do.
2/
And this gives rise to pretenders who gain themselves a following and inflated self importance on the back of it.
Their followers become almost besotted with their icon; often because they're calm mongerers; providing a comforting version of events.
They back them to the hilt.
3/
Read 13 tweets
Feb 9
Health minister @GwynneMP got sacked today.
He was useless on Covid anyway.
Some say he has been badly advised by 'experts'.
I think those experts were selected because they tenaciously defend flawed science.
Govs hide behind these 'experts' to limit costs & liability.
1/🧵
It isn't just in the UK.
In Canada for example, people like John Conly are doing the same thing as Lisa Ritchie in UK.
They are demonstrably wrong.
For @UKLabour to have any credibility, they need a clear out.
If I'd been elected, my first job would have been a sacking spree.
2/
Get rid of the CMO, head of UKHSA, head of infection control for NHS etc.
Strip them of any titles they've received...not for their service; simply for their compliance and for being the faces Governments can hide behind.
There are no excuses left - none whatsoever.
3/
Read 6 tweets
Feb 3
Thoughts on recent UCL study of ventilation & air cleaners.
I've seen a lot of negativity towards it and I think that's mainly due to the headline used, saying it can increase risk.
The study also found it can decrease risk.
It complex to study fluid dynamics in a hospital.
1/🧵 Image
The authors are urging caution to ensure that HVAC/PAC give the desired result by using predictive fluid dynamics models.
That's hardly a bad thing.
There's almost no point trying to measure anything experimentally if people write off the findings because they don't like them.
2/
But the important thing here: I don't think this was ever set up to deliberately play down effectiveness of ventilation or PACs. It was to study complex fluid dynamics and although I can see things I would have done differently, it's a worthwhile study.
3/
Read 10 tweets
Jan 22
Relly: You're Aunt is very ill
Me: What with?
R: A very bad cold.
M: Has she tested to see what it is?
R: No, no point.
M: It makes a difference as to what steps you could take.
R: She's taking Lemsip. She caught it from her son who caught it at work.
1/
R: He's been extremely ill but is slowly recovering.
M: Does he take any precautions to protect her when he's out at work? She's only just getting over cancer.
R: Oh yes - he eats his lunch in his car.
M: But what does he do in the workplace to mitigate risk?
R: I don't know.
2/
M: Can you not see that this was likely wholly avoidable?
R: Well I'm sure they'll both get better.
M: But they didn't actually need to get ill and take such risks and you're telling me they're both extremely unwell. He could have masked up.
R: Masks are very uncomfortable.
3/
Read 4 tweets
Jan 22
When I discovered that UK Gov had a page on their website saying that airborne transmission is 'the main route', they ref'd a 2021 paper:
"Breathing, speaking, coughing or sneezing: What drives transmission of SARS-CoV-2?"
Linked in the next post but here's an excerpt:
1/🧵 A preponderance of evidence supports our conclusion that airborne transmission of SARS-CoV-2 is not only the dominant pathway for transmitting COVID-19, but unmasked speech in confined spaces represents the activity that poses the greatest risk to others. Since eating and drinking often take place indoors and typically involve loud speaking, it should come as no surprise that bars and restaurants have become the epicentre of multiple recent superspreading events [123]. Next to vaccination, mitigation strategies should emphasize the use of face masks when speaking and ensuring adequate venti...
2/
Here's a link to that paper:
onlinelibrary.wiley.com/doi/10.1111/jo…
3/
And here's a link to the UK Gov page where that paper is referenced:
gov.uk/government/pub…
Read 6 tweets

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