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David Osborn

@safedavid3.bsky.social
532 followers 0 following 328 posts

Health and Safety Consultant Formerly Executive Team Member Covid-19 Airborne Transmission Alliance (CATA) (Core Participant in UK Covid-19 Public Inquiry )

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Reposted by David Osborn
Dr Barry Jones @barryjmjones.bsky.social · 07/09/2026
But the new Scottish NIPCM has got rid of AGPs but advises FRSM for all C-19 exposures. They have manipulated the risk groups with C-19 in the lowest despite admitting its airborne transmission. Why?
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Supporting Healthcare Heroes UK (SHH-UK) @shh-uk.bsky.social · 18/08/2026
This is unbelievable. Our position statement sets out the urgent changes needed to infection prevention and control guidelines across the UK: shh-uk.org/shh-uk-posit...
shh-uk.org
Urgent Revamp Of UK IPC Guidance Needed Now
SHH-UK warns existing UK infection prevention and control guidelines are outdated. They call for urgent updates to reflect airborne transmission and respirator (PFR) use.
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Karam Bales @karambales.bsky.social · 17/08/2026
Scottish NICPM downgrades Covid to lowest level R1 This follows Health & Safety Executive reclassifying from Haz Group 3 down to Haz Group 2 in May. Decision will leave HCWs and patients without appropriate protection. counterdisinformationproject.substack.com/p/scottish-n...
counterdisinformationproject.substack.com
Scottish NICPM downgrades Covid to lowest level R1
This follows Health & Safety Executive reclassifying from Haz Group 3 down to Haz Group 2 in May. Decision will leave HCWs and patients without appropriate protection.
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somecallmeDC 🐥 🥚 💡 (not that DC) @somecallmedc.bsky.social · 17/08/2026
Daft decision beyond daft decisions, this. Long covid is outcome of SARS2. Good employers take care about disease in the workplace. Other employers need rules. Weaken them rules and see more employees infected wi a virus that can wreck health of people that survive it.
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🇨🇦Ian - #RLessThanOne @simpson-ian.bsky.social · 26/07/2026
The Royal Society of Chemistry's Faraday Horizon Prizes recognise significant recent novel discoveries or advances made in the area of physical chemistry. It is now mid 2026 and we still await infection prevention and control to even say this never mind change their guidance.
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Esther @elhopkins.bsky.social · 25/07/2026
Still seeing photos of Doctors on the Ebola front line wearing surgical masks @who.int studies on wastewater/body fluids show that in second stage of infection, these can be aerosolised.
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David Osborn @safedavid3.bsky.social · 16/07/2026
I was delighted to be asked by COVID-ACTION to give them a talk. Initially we hadn't selected a topic for the talk, but the effrontery of a NERVTAG member (purporting that the pandemic planners had done a great job!) soon settled the subject in my mind. tinyurl.com/Pandemic-Pla...
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Alison Twycross RN PhD @alitwy.bsky.social · 03/07/2026
@lapdevon.bsky.social @profsarahcowley.bsky.social @jceoltasmith.bsky.social @rogerkline.bsky.social @profraymondagius.bsky.social @annkeen.bsky.social @pmarquisrcn.bsky.social @kimsunley.bsky.social @safedavid3.bsky.social @evonnetcurran.bsky.social please repost
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Esther @elhopkins.bsky.social · 06/06/2026
bsky.app/profile/citl...
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Esther @elhopkins.bsky.social · 25/05/2026
We need these for Ebola because the virus can be aerosolised and still each day are photos of medical staff sadly wearing FRSM masks. 🧵
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Esther @elhopkins.bsky.social · 08/05/2026
The guidance is unpicking trust in science and has allowed many to listen to misinformation. We need transparency on Covid.
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Esther @elhopkins.bsky.social · 08/05/2026
@theguardian.com Where are you on Covid is airborne? Incorrect mask guidance since 2020. This led to misinformation. Why wasn’t this front page news before the elections? The Covid inquiry stated the guidance was ‘flawed’ four weeks ago!
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Esther @elhopkins.bsky.social · 16/04/2026
The denialism that COVID hasn’t overloaded our NHS is an absolute farce. The guidance has been incorrect for 6 years! That includes people having no protection when they mingled in bubbles, were essential workers, wandered around the supermarket and caught covid when they went to get vaccinated. 🧵
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David Osborn @safedavid3.bsky.social · 15/04/2026
The Covid Airborne Transmission Alliance (CATA) has stood down. The Executive Team has completed its mandate from its 12 member organisations i.e. to represent them at the UK COVID-19 Inquiry. A copy of our final letter to members is attached. tinyurl.com/CATA-stands-...
tinyurl.com
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David Osborn @safedavid3.bsky.social · 03/04/2026
🚨🚧🚨🚧🚨🚧🚨🚧🚨🚧🚨🚧🚨 CATA Press Release following publication of Baroness Hallett’s report: tinyurl.com/CATA-PR-Apr-... MAJOR WINS for CATA (and true scientists everywhere!) Complete vindication (see thread below) BUT There were some major omissions (see Press Release) /1 of 23
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David Osborn @safedavid3.bsky.social · 21/03/2026
Here we go again! The Anti-Aerosol brigade rides again! 'Airbrushes to the ready - Charge!
Knight in shining armour (aka UK Gov't) wielding airbrush to remove all references to aerosol transmission
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Bean & Sprout's Mom @beansproutsmom.bsky.social · 20/03/2026
As of today, any UK agency now flogging droplet not airborne precautions for ANY disease should be investigated for misconduct. #Meningitis #COVID #Flu #RSV #Measles #MedSky #EpiSky #LawSky #ukpoli www.cps.gov.uk/prosecution-...
Evidential Considerations
The elements of the offence were summarised in Attorney General's Reference No 3 of 2003 [2004] EWCA Crim 868. The offence is committed when:

a public officer acting as such
wilfully neglects to perform their duty and/or wilfully misconducts themselves
to such a degree as to amount to an abuse of the public's trust in the office holder
without reasonable excuse or justification
A public officer 
There is no simple definition of a public officer, and each case must be assessed individually, taking into account the nature of the role, the duties carried out and the level of public trust involved.
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David Osborn @safedavid3.bsky.social · 21/03/2026
In this presentation to the Safer Healthcare Biosafety Network, some of CATA's key findings are discussed, including some highly questionable activities by the former '4-Nations IPC Cell' & ARHAI, which blocked the provision of respirators to HCWs at the height of the pandemic. tinyurl.com/CATA-SHBN
tinyurl.com
Presentation by David Osborn to the Safer Healthcare Biosafety Network (13 March 2026)
David Osborn, a member of CATA's Executive Team, gave a brief overview of these reports in a presentation to the SHBN (the Safer Healthcare Biosafety Network).
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Scribbler Pen @scribblerpen.bsky.social · 15/03/2026
Today is #LongCovidAwarenessDay. Sunday — will @uklabourparty.bsky.social Govt @rthonwesstreeting.bsky.social ignore it or show awareness that millions live with Long Covid? This time in 2020 a decision was taken to deny and downgrade #Covid's risk. t.co/cOH4af9r73 That risk remains today. Be Aware.
Press release, 13 March 2026, from Covid Airborne Transmission Alliance (CATA), witnesses to the UK Covid Inquiry, about a government coverup of evidence to the enquiry regarding decisions taken by public health officials to deny that Covid is airborne and to downgrade it from a High Consequence Infectious Disease (HCID) due to the shortage of FFP3 masks, the appropriate personal protective equipment for an airborne pathogen in the NHS. Link to the original press release PDF document in the post.
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David Osborn @safedavid3.bsky.social · 13/03/2026
CATA (Covid Airborne Transmission Alliance) has today issued this press release ahead of next Thursday's publication of the Inquiry's module 3 report: tinyurl.com/CATA-press-r...
tinyurl.com
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Esther @elhopkins.bsky.social · 26/02/2026
I don’t know if you saw this? www.europesays.com/ch/17407/
europesays.com
Long Covid ruled as occupational disease in nurses - Switzerland
Long Covid confirmed as an occupational disease in nurses.
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Reposted by David Osborn
Christophe Veltsos @drinfosec.bsky.social · 23/02/2026
🎯🧵by @catinthehat.bsky.social on XTwitter, sharing key quotes from Tess' article (+ details & context): Full 🧵 (18-tweets): threadreaderapp.com/thread/20253...
"FROM THE OLYMPICS TO NASA, WEARING MASKS IS BACK - EXCEPT IN HEALTHCARE

Brilliant article on how masking is increasingly popular with Olympic athletes, actors & astronauts wanting to avoid illness…

…but sadly, in hospitals, masking is rare & those who do are often gaslit.
🧵"

followed by cropped screenshot of the Tess Finch Lees article entitled "From the Winter Olympics to Nasa, wearing masks is back – except when it comes to our hospitals"
https://www.independent.ie/opinion/comment/tess-finch-lees-from-the-winter-olympics-to-nasa-wearing-masks-is-back-except-when-it-comes-to-our-hospitals/a944827489.html
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David Osborn @safedavid3.bsky.social · 24/02/2026
Have noticed an excellent opinion piece in the Irish Independent by the brilliant Tess Finch-Lees. Love the final paragraph about her friend Meg... She deserves a gold medal!! archive.ph/L4LUU
archive.ph
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David Osborn @safedavid3.bsky.social · 28/01/2026
Presentation to SHBN (Safer Healthcare Biosafety Network) on behalf of CATA (Covid Airborne Transmission Alliance) with comment on the UK Covid-19 Public Inquiry Module 2 report published in November. tinyurl.com/DO-SHBN-21-1... (Apologies: Tech issues prevented earlier posting)
tinyurl.com
Presentation by David Osborn to the Safer Healthcare Biosafety Network (21 November 2025)
David Osborn's presentation to the Safer Healthcare Biosafety Network
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Camille @camillezazyx.bsky.social · 10/01/2026
Millions of people have died because of this widespread incompetence of the #WHO! Thank you for adding more information about the outrage of someone who understands public health, like me.
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David Osborn @safedavid3.bsky.social · 10/01/2026
SURGICAL MASKS DO NOT PROTECT So encouraging to see the sheer strength of feeling amongst so many highly-respected scientists & medical practitioners from across the world making representations to WHO This letter from World Health Network is a must-read tinyurl.com/WHN-Letter-t...
tinyurl.com
Open Letter to WHO: A Call for the Universal use of Respirators in Healthcare - WHN
January 7, 2026 The letter below (a button to download it as a .pdf file is at the bottom of this page) was sent to seven top officials at the World Health Organization on Wednesday 7 January. Press c...
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David Osborn @safedavid3.bsky.social · 07/12/2025
As the health and safety specialist in CATA (Covid Airborne Transmission Alliance - a core participant in the Covid Inquiry), I am very involved with healthcare H&S scandals. In particular the betrayal of healthcare workers by HM Gov’t during COVID. May I offer a few thoughts… #2/21
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David Osborn @safedavid3.bsky.social · 07/12/2025
Brilliant article by Rebecca Thomas (the Independent): tinyurl.com/yksjxj5b and Victoria Macdonald (Channel 4 News): tinyurl.com/3dn8mwx5 They've covered the 'formalin scandal' brilliantly. #1/21 @channel4news.bsky.social @the-independent.com @vsmacdonald.bsky.social @rebeccasmt.bsky.social
Excellent report by Rebecca Thomas which exposes the scandal of continued use of formalin in healthcare, lax regulation by the HSE and widespread breach of the COSHH Regulations IMHO.
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David Osborn @safedavid3.bsky.social · 03/12/2025
CATA has written an open letter to Baroness Hallett archive.org/details/2025...
archive.org
2025 11 29 Open Letter CATA To Baroness Hallett : Dr Barry Jones, Chair CATA, Lead for BAPEN : Free Download, Borrow, and Streaming : Internet Archive
Covid Airborne Transmission Alliance (CATA) Open Letter to Baroness Hallett
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David Osborn @safedavid3.bsky.social · 26/11/2025
Poster recently published by NHS Scotland. Incorrect, dangerous guidance to the public about spread of diseases like flu, COVID-19 etc and how hand-washing is key to keeping themselves safe (would you believe!) Formal complaint lodged. See: tinyurl.com/52wbmye9
Poster issued by NHS Scotland advising the public that washing hands is key to stopping the spread of diseases like flu and COVID-19
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David Osborn @safedavid3.bsky.social · 21/11/2025
🚨🚨🚨 CATA Press Release 🚨🚨🚨 www.bohs.org/media-and-re...
bohs.org
Press Releases Archives - British Occupational Hygiene Society (BOHS)
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David Osborn @safedavid3.bsky.social · 17/11/2025
On Thurs 20th, Lady Hallett publishes her module 2 report. We wait with interest to see how it covers the deception wrought upon HCWs that: a) Covid is droplet/fomite, but not airborne b) Flimsy Fluid Resistant Surgical Masks are 'PPE' and will keep you safe.
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David Osborn @safedavid3.bsky.social · 21/09/2025
📢 Children have been bullied by adults and children, denied remote education & families threatened with fines – just for trying to stay safe in a pandemic. This is the reality for Clinically Vulnerable families. Read CVF's new blog ahead of the #CovidInquiry children’s module👇 which starts 29 Sep
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Cat in the Hat @catinthehat.bsky.social · 29/06/2025
[27 Jun 2025] @DrTedros at WHO media briefing: “We cannot talk about COVID-19 in the past tense. Although the crisis has passed, the virus remains. It continues to evolve, it continues to kill, and millions of people continue to live with post COVID-19 condition or long COVID.”
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David Osborn @safedavid3.bsky.social · 14/09/2025
Exercise Pegasus - The UK Prepares for Pandemic simulation. I wonder whether key stakeholders will be invited to join as participants or observers? By "key stakeholders” I mean those who will die or be seriously harmed when Gov UK gets it wrong (again!)
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David Osborn @safedavid3.bsky.social · 14/09/2025
🚨🚨🚨 STOP PRESS 🚨🚨🚨 Paper published by eminent UK scientists compare the effectiveness of PPE and other risk controls for protecting healthcare workers against Covid infections. academic.oup.com/annweh/artic... Powered hoods most effective FFP3s almost as effective. FRSMs very poor.
academic.oup.com
The relative effectiveness of personal protective equipment and environmental controls in protecting healthcare workers from Covid-19
AbstractObjectives. Our aim was to explore the probable effectiveness of personal protective equipment (PPE) and environmental controls in protecting healt
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David Osborn @safedavid3.bsky.social · 23/08/2025
🚨😷🚨😷🚨😷🚨😷 BREAKING NEWS At last, in the UK, we now have official guidance on the use of respirators (FFP3) vs Fluid Resistant Surgical Masks (FRSM) which has been prepared SPECIFICALLY FOR THE HEALTHCARE SECTOR. 🚨😷🚨😷🚨😷🚨😷
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David Osborn @safedavid3.bsky.social · 20/08/2025
Shouldn't be necessary to order a Government Agency to just do its job - but hey-ho... Please sign. Petition: Direct the UKHSA to monitor COVID infections that occur in particular settings petition.parliament.uk/petitions/73...
petition.parliament.uk
Petition: Direct the UKHSA to monitor COVID infections that occur in particular settings
Ensure that the UK Health Security Agency (UKHSA) monitors, and reports on, the numbers of COVID infections that occur in healthcare settings through its routine surveillance programmes, and advises o...
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Barry Hunt @barryhunt008.bsky.social · 17/08/2025
I'm overwhelmed by the public support for a CSA National Standard in 🇨🇦 for precautionary universal N95 use in healthcare From all over the world Like this comment from @safedavid3.bsky.social
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David Osborn @safedavid3.bsky.social · 28/07/2025
🚨🔔 🚨🔔 🚨🔔 🚨🔔 🚨🔔 HSE are holding their AGM on 29th July. I have tabled 3 questions in advance. These may be of interest to healthcare workers - those still in service and those who were injured by Covid and can no longer work (or are limited as to what they can do).
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David Osborn @safedavid3.bsky.social · 10/07/2025
Dr Phil Hammond reveals in Private Eye that CATA (the Covid Airborne Transmission Alliance) is threatening to take the UK Government to Court for a judicial review. Pre-action protocols require the parties to attempt to resolve their issues out of Court.
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David Osborn @safedavid3.bsky.social · 13/06/2025
🚨 🚨 🚨 🚨 🚨 🚨 Absolutely essential viewing for any doctor, nurse, midwife, porter or other healthcare worker wishing to survive the next pandemic of an airborne pathogen. Watch this interview at all costs... tinyurl.com/yc74vj66 🚨 🚨 🚨 🚨 🚨 🚨 #1 of 8
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David Osborn @safedavid3.bsky.social · 24/05/2025
Please support this petition which directs UKHSA to monitor COVID infections which occur in particular settings. petition.parliament.uk/petitions/70... An open and transparent insight is needed into HealthCare Associated Infections Please re-post widely. Only a few days to go
petition.parliament.uk
Petition: Direct the UKHSA to monitor COVID infections that occur in particular settings.
Ensure that the UK Health Security Agency (UKHSA) monitors, and reports on, the numbers of COVID infections that occur in healthcare settings through its routine surveillance programmes, and advises o...
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Reposted by David Osborn
Supporting Healthcare Heroes UK (SHH-UK) @shh-uk.bsky.social · 21/05/2025
Covid-19 is airborne. Poor indoor air quality in healthcare settings increases infection risks for staff, patients & visitors. We’re calling for urgent action. Read our second position statement: 🔗 shh-uk.org/shh-uk-posit... #SafeAir4All #ProtectHCWs #LongCovid
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David Osborn @safedavid3.bsky.social · 20/05/2025
CATA (Covid Airborne Transmission Alliance) has given accounts of its involvement with the UK COVID-19 Inquiry to the SHBN The presentations may be found here: tinyurl.com/yc33td7z Includes a summary of CATA's representations to Ministers and Chief Nursing Officers (who continue to remain silent).
tinyurl.com
Presentation from David Osborn to the Safer Healthcare Biosafety Network (28 March 2025)
David Osborn, health and safety consultant and member of the Covid Airborne Transmission Alliance (CATA), has given an account of CATA’s journey through the Covid-19 Public Inquiry to the Safer Health...
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ClaireJane5 @clairejane5.bsky.social · 04/05/2025
NB @ashleydaltonmp.bsky.social Come clean! Improve and save lives, get people's health and wellbeing back on track for a more productive workforce (and better economic growth)!
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UK National Covid Memorial Wall @covidmemorialwall.bsky.social · 16/01/2025
A second mention of our beloved wall in Parliament today shows an understanding that the wall is an ongoing thing, a living memorial to our beloved dead. ❤️
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David Osborn @safedavid3.bsky.social · 03/05/2025
🚨🚨🚨🚨🚨🚨🚨🚨 CATA (The Covid Airborne Transmission Alliance) has, once again, written to Health Minister, Ashley Dalton, on the topic airborne transmission of Covid-19 and other diseases and her stated refusal to change IPC guidance. Our letter can be found here: tinyurl.com/ykvftvdu /1 of 11
tinyurl.com
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David Osborn @safedavid3.bsky.social · 22/04/2025
Just in case anyone is reading any covid-related documents and clicks the link to the now famous HSE RR619 "Evaluating the protection afforded by surgical masks" they will now get a broken link (404). HSE have shuffled it out of the way. New link: webarchive.nationalarchives.gov.uk/ukgwa/202412...
web.archive.org
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David Osborn @safedavid3.bsky.social · 15/04/2025
How many others with Long-Covid have been unfairly discriminated against due to lack of "reasonable adjustments" by unfeeling, uncaring employers in healthcare, education and so many other sectors of industry? This could be a helpful case. www.ioshmagazine.com/2025/04/11/b...
ioshmagazine.com
Teacher fired over Long Covid-related absence awarded more than £50k
The employment tribunal found that Ms J White was unfairly dismissed and discriminated against but did not uphold her claim that the school failed to make reasonable adjustments.
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