iiinova — where your digital self keeps evolving

Sean Mullen, Ph.D. @drseanmullen.bsky.social · 23/06/2026

Now, replace AI with “Living with Covid” and see how all of you feel about that.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 22/06/2026

I’ll let you know how it goes. Headed to Jack Johnson in a couple weeks.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 11/06/2026

Respirators in social settings work extremely well and allow one to avoid infections for years…as I have. There is NO way I would not take that option. I have a family & there are things I want to do in life. I don’t succumb to peer pressure. Is this high school? People are DYING from Long Covid.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 27/05/2026

The public deserves accurate information about how pathogens move through air.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 27/05/2026

When institutions suppress, soften, or strategically omit information about airborne transmission because the implications are economically or politically inconvenient, they are shaping intervention efficacy before an intervention even begins.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 27/05/2026

“Cost optimization” should never determine whether the public learns the primary ways infectious diseases spread. Knowledge shapes behavior. Behavior shapes exposure. Exposure shapes outcomes.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 27/05/2026

2/ The problem isn’t epidemiology. The problem is when a field becomes so insular that aerosol scientists, engineers, industrial hygienists, and indoor air experts are treated like outsiders in conversations about airborne disease.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 27/05/2026

1/ Public health has become overly insular and insufficiently interdisciplinary. I work in applied health science. What I don’t have is indoctrination into decades of droplet-era institutional inertia. That’s the difference.

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Reposted by Sean Mullen, Ph.D.

Ilkka Rauvola @jukka235.bsky.social · 21/03/2026

WHO just removed the word "AEROSOL" from the modes of transmission of Meningococcal Meningitis from its website. 1/x @catinthehat.bsky.social

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 27/05/2026

Personally, I teach airborne transmission and I’ve completely updated my course to include clean air technology (respirators, mechanical ventilation, filters, germicidal light). Only Epidemiologists, Biostats & faculty w/MPH & MHA degrees teach in our Public Health programs...a circular problem.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 27/05/2026

3/ Public health accreditation bodies should immediately reevaluate training standards for airborne disease prevention, ventilation, filtration, respirators, and aerosol science. Droplet dogma has already cost enough lives.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 27/05/2026

2/ If your infectious disease training still treats airborne transmission like a rare exception instead of a central mechanism, your curriculum is obsolete.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 27/05/2026

1/ Please put aerosol scientists and engineers back in charge of public health. We built infectious disease policy around outdated droplet assumptions while ignoring aerosol physics, ventilation, and indoor air quality.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 26/05/2026

I don’t think they’ve thought that far ahead 😂

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 26/05/2026

* federal funding priorities * workforce competency frameworks * CDC/NIH/HHS guidance * political pressure and lobbying * prevailing institutional culture * professional consensus statements * licensing and certification expectations * what employers and agencies demand from graduates

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 26/05/2026

For MPH programs specifically, the major accreditor is the Council on Education for Public Health. CEPH is not the federal government, but accreditation standards are influenced by:

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 26/05/2026

8/ If we want better pandemic preparedness, cleaner indoor air, better PPE standards, safer healthcare environments, and fewer chronic post-viral illnesses, we must change the way we educate future public health professionals. Education is the pipeline. And right now, the pipeline is broken.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 26/05/2026

7/ Many people assume science changes automatically once evidence exists. It doesn’t. Institutions resist change. Professional identity resists change. Educational systems resist change. And outdated frameworks can persist for decades after evidence evolves.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 26/05/2026

6/ That is why meaningful change requires: • replacing outdated texts • integrating aerosol science into core curricula • retraining faculty and professionals • updating competencies and licensing expectations • revising accreditation and auditing systems

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 26/05/2026

5/ If the educational pipeline teaches incomplete or inaccurate models of transmission, the workforce entering hospitals, schools, government agencies, and health departments will reproduce those same misconceptions for another generation.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 26/05/2026

4/ You cannot fix this with a single policy memo or a temporary public health campaign. The problem is upstream. It lives inside: • textbooks • lecture slides • certification exams • accreditation standards • faculty training • continuing education systems

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 26/05/2026

3/ The old “droplet vs airborne” framework became institutional dogma. But aerosols are not rare special events. Humans continuously emit respiratory particles while breathing, speaking, singing, coughing, exercising, vomiting, and more. Many pathogens exploit this reality.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 26/05/2026

2/ That means students can graduate this year with advanced degrees while still carrying a fundamentally incomplete understanding of how many pathogens actually spread. Not because they are unintelligent. Because the curriculum itself is outdated.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 26/05/2026

1/ Public health has an education problem. Airborne transmission is still incorrectly described — or omitted entirely — in many Master of Public Health programs and the textbooks used to train future professionals.

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Gary Longsine 📱 @arbiteriapetus.bsky.social · 25/05/2026

A proper contemplation of the Precautionary Principle should be incorporated into the standard curriculum, forthwith. 📚 en.wikipedia.org/wiki/Precaut...

en.wikipedia.org

Precautionary principle - Wikipedia

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 25/05/2026

Check out this conversation on the AI tool built for censorship of specific health topics at the NIH 👇 www.youtube.com/watch?v=Q4iY...

youtube.com

NIH Whistleblower Exposes Grant Terminations, AI Censorship & Research Cuts - Jenna Norton Interview

YouTube video by Annika Horne

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Reposted by Sean Mullen, Ph.D.

Mark Ungrin @mark-ungrin.bsky.social · 25/05/2026

The problem is almost none of the people in these decision making positions has much of an understanding of science, and they're all trained to think that absence of evidence = evidence of absence. And since the entire GRADE pyramid is purely reactive, the only evidence they accept is dead bodies.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

They had the law retroactively changed but they were temporary. Many have been lifted and the door is now open again. It’s just very hard to prove.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

Tennis taught me emotional regulation at the deepest level. The ball does not care about your frustration, excuses, momentum swings, ego, or story. You reset between points or you lose. Honestly, that’s most of life.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

A virus that damages every organ system is not “endemic.” It is unaddressed. There is a difference. Words matter when they’re being used to lie to you.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

Indoor air is the new tobacco. We’ll look back stunned that we breathed it without thinking. The lawsuits will be enormous. The recovery will be slower.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

Five years in and we still treat masks like a personality. Surgeons aren’t making a statement. They’re protecting a patient. So am I.

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Reposted by Sean Mullen, Ph.D.

Vic GenXer @genxer22.bsky.social · 24/05/2026

The Sliding Window re: tuberculosis Decades before 1920 Glass manufacture innovation, 1902 Dr. Karl Turban & architect Jacques Gros adopted a new type of window in their TB Sanatoriums. Folding and sliding doors and windows that allowed complete opening of window frames composed of several sashes.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

Higher ed is going to spend the next decade pretending nothing is wrong with student cognition except “use of AI.” By the time the data is undeniable, the cohort will be in their 30s, wondering why everything feels so hard.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

Cognitive fatigue is real. We mock it because admitting it would force us to redesign everything: schools, workplaces, classrooms, hospitals, parenting. Mocking is cheaper.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

You don’t have a phone problem. You have a meaning problem. The phone just fills the vacuum a faster than anything else ever has.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

Attention is the rarest cognitive resource we have. We are feeding it, hourly, to slot machines that don’t even pay out.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

Self-complexity is a buffer against grief. We never teach this. We should. Lose one self and there are still nine left to walk you home.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

We tolerate indoor air in 2026 that would have horrified sanitation engineers in 1926. We just don’t see what’s killing us.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

The most underrated public health intervention of the next decade is going to be opening a window.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

The immune system has a memory. So does the heart. So does the brain. Survival is not the same as escape.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

The most dangerous lie of the last six years was that getting it over with was a strategy. You don’t out-tough a virus that hides in your tissues.

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 24/05/2026

Clean air will be the sanitation revolution of the 21st century. Or it won’t. And we’ll pay for it for three generations.

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RenéeLiana @reneeliana.bsky.social · 24/05/2026

This was really fun, Sean, amateur virilogist here. I missed 3 and was happy to learn something new. When I have more time I'll take the longer test. Everyone should check this out if you've been keeping up with the research: 😷🫰

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 22/05/2026

Very cool! Thanks for highlighting. I love the resources on your site!

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Sean Mullen, Ph.D. @drseanmullen.bsky.social · 22/05/2026

If any of my work has helped you and you’d like to pay it forward in this brutal funding climate, please consider supporting my research lab. Mention “for Professor Sean Mullen’s ETC Lab.” /3 www.givecampus.com/campaigns/49...

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