Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Daughter is playing #2 singles as a freshman on varsity. Undefeated at singles as #1 and #2.
Research Director of the #Exercise #Technology & #Cognition Lab | #Movement #Neuroscience | Husband | Dad | #MartialArtist | #FlowArtist | #Tennis Teaching Pro | Advocate for Persons with Long Covid
13,974 followers 2,401 following 1,331 posts
view profile on Bluesky Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Daughter is playing #2 singles as a freshman on varsity. Undefeated at singles as #1 and #2.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
So is he alive or what? And am I dreaming or are we still ruled by fascists?
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Good one ☝️
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Helps to have a buddy at work. I’ve got one. Also, vaccination greatly reduces risk of dying and hospitalization. Those reasons alone implode the antivaxx arguments.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
The data suggest most people should be good for 12 months as maintenance after having 3 doses. I’m going to go for NVX in March if it’s available. I’m going to get my daughter NVX this fall, again, if available.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
😞 I usually remember; just exhausted from caring for my wife for 8 days who has Covid because she’s the lone masker in her school
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
Dr Stea preaches a lot of great stuff about health dis-& misinformation but he’s MIA on COVID. Airborne precautions. Here’s a subtle hint. Get on board dude! You’re still on anti-vaxx parade but they don’t prevent Long Covid. Every infection compounds risk. Look at excess death data!!!!
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Good on you!!
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
CAN99 Vitacore (no FCOI of any kind… just a good mask) And now, without NIOSH, we’ll never get the official approval but it’s been tested and performs better than n95. It’s really as advertised… an N99.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
Wear a fucking mask people. I’m so sick of your ignorance. It’s willful. Get on the boat or you’re going to drown. And this is the last lifeboat. There’s room for all, because it’s an analogy… but you’re really just drowning yourself if you don’t reach for the line we’ve been throwing you.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
I’m pro vaxx and have 9 in me. Last Novavax was March. But if you think you’re fully protected with vaccination from SARS2 you’d be dead wrong. No protection from LC. Vaccines mostly keep you from the hospital. Mask. Ventilate. Clean the air.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
www.theguardian.com/sport/2025/a...
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
Taylor! You got this!!
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Holy f*****g s**t! First, that seems a bit like a violation of privacy but… I get it. At one point, I could differentiate who had it and didn’t based on behavior and their self-disclosures (and/or cognitive data).
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Merv 13, minimum
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Deep.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
💯
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
I’m sorry 😢
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
If you think Covid is “mild,” “over,” harmless to kids, or that a shot + handwash = safety… you’ve been influenced by paid minimizers. They’re everywhere, shaping the narrative. It feels conspiratorial, but it’s just PR. Bad actors; grifters too. LC is horrifying & there’s no cure. That’s the truth.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
On Facebook, someone said they “had acute Long Covid for 3 years” and it was “terrifying” and “like living unalive” … “But we need to have a balanced perspective of LC and not generate fear in people.” Do you see anything wrong here? You get it? Do you understand what’s happening to brains? Also…
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Right on Cindy! 👊
Brooke (@brooklynmarie.bsky.social) reposted
This far right power grab is global
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
😂 End rant.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Do you really need to show off your smile to sacrifice your life as you know it? Not me. I prefer to keep my brain cells, mitochondria, blood vesicles, testicles, & T cells intact. If you don’t know WTF I am talking about, maybe read some science and pay attention.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Most adults only get flu once a decade. With Covid, people are getting reinfected yearly — sometimes 2–3× a year. Do you see how easy it is to destroy your life? Your kids’ brains? Their future? Your own capacity to take care of them?
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
This is preventable. Masks work. Filters work. Vaccines help. Pretending kids are “resilient” is a lie that costs lives. Don’t measure risk from your family’s survivor bias. You haven’t experienced it… YET. I haven’t seen Europe yet either. But I know where it is & I’ve read about it.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
There is no cure. No proven long-term treatment. No “just bounce back.” Families are left scrambling while society shrugs. It’s extremely rare to fully recover from Long Covid.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Flu rarely leaves kids disabled. Covid can wreck their nervous system, gut, and immune function for years. Stop pretending it’s the same.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Covid’s acute phase kills, but it’s the aftermath that destroys futures. LC is organ damage, vascular damage, cognitive decline. That doesn’t heal in 7–10 days.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
We’ve normalized mass infection. But LC hits 1 in 3. Imagine every classroom, every team, every friend group — a third will struggle with symptoms doctors can’t fix. That third of the population is growing, because every infection compounds risk. Note: Kids can’t all articulate what they feel.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Children do get Long Covid. It can mean brain fog (the feeling which is actually brain damage), memory loss, heart inflammation, dizziness, exercise intolerance. This isn’t “just a cold.” It’s a lifelong disability risk.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
Kids get Long Covid. Kids die at 4× the rate of flu from acute infection (that 7–10 days you felt sick, didn’t test, went back to work, and spread it). LC has no cure. 1 in 3 risk lasting damage. LC can & will destroy lives. Probably yours & your kids’ if you don’t utilize airborne protections.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
Pre-pandemic, I didn’t think humans were this stupid… To think that a senile US president could simply say it’s ok to take masks off, and then the airborne biohazard just goes away 💨 That’s really, really dumb. I can say this, because… I didn’t fall for it. Still masking. Still Novid AFAIK.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
I’m so sorry. I hope you’ve found the real LC network online who have helped each other through
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
I can go in detail in a bit. I’ll come back and do a thread on this.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
No, you’re not “immune” w/ a Covid vaccination. You will have an immune response, & hopefully a decent one. But each infection still does damage and depending on the vaccine you chose, it may not hold as well as another option & there’s still viral seeding, multiple infections, vaxx waning, etc…
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
11/ Mask. Filter. Ventilate. Test. Repeat. It’s not complicated. It’s survival.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
10/ Here’s the truth: – Every breath indoors without protection is a coin flip. – By 2030, the question won’t be who masked. It will be who’s still standing. – It’s not paranoia. It’s prevention.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
9/ My wife is on her very first infection — after 5+ years of us never eating indoors, never taking chances. And even then, it found its way in. That’s how relentless this virus is.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
8/ Clean air. Masks. Precautions. These aren’t inconveniences. They are the line between staying whole and watching your health slip away, wave by wave.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
7/ I’m saying this because I want you around. I want you healthy. I want my friends, colleagues, and family to take this seriously before it’s too late.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
6/ We are in another major wave — even if the news isn’t reporting it. You might not test. You might shrug it off. But sooner or later, one infection will leave its mark. I guarantee it.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
5/ Think about your life goals. Think about your kids. Who takes care of them if you become chronically ill, bed-bound, or gone?
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
4/ And it’s not just adults. Kids are developing immune dysfunction that mirrors HIV — at rates similar to adults. Each infection compounds risk. This isn’t hypothetical. It’s happening.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
3/ That adds up. By decade’s end, if you aren’t protecting yourself, you won’t be the same. Not just “a little older.” We’re talking accelerated aging: dementia, stroke, heart attack, cancer, chronic illness.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
2/ The avg American has already been infected ~4x. “Brain fog” isn’t just being tired — it’s measurable brain injury. Each year you skip masking, testing, or clean air, you’re rolling the dice on another 1–2 infections.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
1/ I don’t know how to say this without sounding harsh, but I need you to hear it. COVID — or SARS-2 — is not “just another cold.” It doesn’t leave you the same. Every reinfection stacks damage: brain, heart, immune system.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Holy shit !!!! Thanks for sharing. Adding to my presentation. I hope you’re well Brad.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
This 👇
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Yes, I think that’s an answer that describes many. A shocking number are still oblivious to existing data. A substantial portion believe it can’t and hasn’t happened to them (or will get better or that all viruses do this and it’s temporary and inconsequential). Some are numb from the damage.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Exactly. Everyone is at risk. Everyone. Gold medalist marathon runners. Amazon truck drivers. First grade teachers. Bank tellers. All. At. Risk.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
3/ How do you reconcile teaching brain health while ignoring the virus that harms the brain? By lecturing unmasked in an unfiltered room during a surge? You don’t. You just sweep the evidence under the rug.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
2/ Even so-called “mild” infections leave measurable brain damage: shrinkage, inflammation, disrupted connectivity. This isn’t fringe science—it’s published in the very journals we assign to students. And still… silence.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
1/ I conduct research and teach the benefits of exercise on brain health to young adults in a College of Applied Health Sciences. The same College that wants to “lead” in Public Health. And yet—when SARS-CoV-2 attacks the brain—there is silence. Thundering silence.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
22/ If you think you’ll survive the next decade without masking & mitigating airborne infections in this one, you don’t know anything about health or science. Period.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
21/ If you call COVID “over,” but can’t explain excess mortality, you’ve mistaken silence for safety.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
20/ If you conflate “fatigue” with “laziness,” you’ve never studied post-viral syndromes.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
19/ If you think masking is performative, you’ve confused public health with theater.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
18/ If you believe vaccines alone stop spread, you’ve forgotten that layers of protection stack—like seatbelts AND airbags.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
17/ If you treat child illness as “resilience-building,” you’ve confused daycare folklore with evidence.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
16/ If you downplay reinfection risk, you’ve skipped the chapter on immune system wear and tear.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
15/ If you say “everyone will get it anyway,” you’ve confused inevitability with policy failure.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
14/ If you think ventilation is optional, you don’t understand the difference between droplets and aerosols.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
13/ If you dismiss long COVID as anxiety, you’re not a scientist—you’re a gaslighter with a degree.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
12/ If you equate “survivorship” with “recovery,” you’re ignoring chronic illness. Survival ≠ health.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
11/ If you think “endemic” = “harmless,” you don’t know history. Malaria is endemic. Tuberculosis is endemic. Both still kill millions.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
10/ Science isn’t about titles. It’s about evidence. And the evidence is clear: COVID isn’t done with us—just because you’re done with COVID.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
9/ If you don’t understand long-term sequelae but insist the pandemic is “over”—congrats, you’re doing PR for the virus.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
8/ If you claim COVID is like the flu, yet can’t explain endothelial dysfunction or microclots, you’ve confused vibes with science.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
7/ If you push “herd immunity” through infection, you’ve missed the first principle of epidemiology: prevention always costs less than repair.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
6/ If you think disability stats are “overestimates,” you’re telling on yourself: you don’t know how to read a denominator.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
5/ If you talk about “personal choice” but ignore community transmission, you’ve abandoned public health for politics.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
4/ If you shrug at airborne spread but teach “disease prevention,” you’ve confused education with indoctrination.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
3/ If you think “mild” means “safe,” you don’t understand immunology. Every infection = immune injury. Repeated infections = compounding damage.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
2/ If you study people’s shit, but don’t know it’s used to detect viral shedding trends in a community—you’ve already lost the plot.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
1/ Just because you have a PhD in health or science doesn’t mean you know shit about health or science. 🧵
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Many thanks! Be safe 👊
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
There’s no Public Health—just leaders who cower to power. They sold you the lie: no need to protect yourself, your loved ones, your community from a virus that kills. How’s that working out? Don’t know what I mean? Bookmark this & come back after this next infection. I’ll be here waiting.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
5.5 years we held the line. My wife just got COVID—for the first time. My daughter & I are still clear. This surge is real. The science is real. Covid is accelerating aging and causing vascular disease, immunological dysfunction and neurological damage. Act like it.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
COVID → developmental delays, neuro damage, HIV-like conditions in kids—same rates as adults. Ever seen a placenta after prenatal infection? Looks like late-stage cirrhosis. Only 2 respirators in that room: Dr. @rachelhoopsick.bsky.social & me. We mask. Every. Time.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
🧵 Let me go one further… At Friday’s faculty meeting, I lost count of how many women announced pregnancies. We have a lactation room. But where’s the urgency about the science?
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
We are the College of Applied Health Sciences. And this committee is being removed—in this climate? Unbelievable. I vote NO. Employee and student health should extend BEYOND what other colleges do at Illinois. WE should set the example for how to APPLY health sciences. @ahsillinois.bsky.social
Trish Greenhalgh (@trishgreenhalgh.bsky.social) reposted
This is progress: #healthpolicy #episky
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
That’s a boss move right there. Quack!
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
Move-in week vibes: me, coffee, and updating the Sport Psych promo video before classes kick off. ☕🎓
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
🙏Help me choose title Target:Grad students A) Herd Immunity to BS: Building Resistance to Health Misinformation in the AI Age B) Ventilating Misinformation: Clean Air, Clear Facts, and Covid Communication C) PPE for the Infodemic: Masking Up Against Misinformation While Spreading Scientific Truth
Jonathan Douglas PhD CPsych (@jonathanconp.bsky.social) reposted reply parent
I suggest printing a bunch of these off, and just handing them to any professional who dares to mock you. Point out that the references are from peer-reviewed journals. Then let them steep in their own embarrassment and shame as they sputter defensive excuses. @drseanmullen.bsky.social
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
I could say the same about Long Covid and the millions of children who will suffer the proliferation of cancer, vascular disease, immune dysfunction, kidney and liver disease as the result of repeated infections from SARS-CoV-2. Adults live in denial about what they’re doing to their own kids.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
One guy is masking on planes and the other guy is giving him shit for it. Should you wish to offer your support to the guy who isn’t brain dead, please tell him to keep masking. N95. Maybe he read a little science & learned about Covid sparking neurodegenerative disease or awakening cancer cells.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
We haven’t but prior generations have. That’s what I was referring to…The 1918 pandemic affected all combatant nations in WWI & contributed to the war’s end; and it helped give rise to WWII 20 yrs later. Sadly, SARS2 hasn’t evolved to truly be “mild” like the distal relatives of Spanish Flu.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
Fascism rises after pandemics. COVID’s still here—eroding executive function, stoking anger, short tempers, and confusion. Impaired brains don’t spot propaganda. They repost it.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
Funny how anger, impulsivity, and fascism spike after pandemics. Almost like executive function matters. Almost like a neurotropic virus that never went away is still wrecking people’s brains.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
Musicians get shelved. I’ve heard of that. But a medical textbook? Apparently @drpeterhall.bsky.social and I, along with 90+ chapter authors, should update our CVs: “Coming in 2099.”
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Been there 👊 You got this
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
Don’t mess with Covid.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
Covid is all over the country right now. I know someone confirmed + in Washington, California, Minnesota and New York. Lots of people showing visible symptoms in Illinois. All this anecdata is backed by wastewater data. Don’t risk your health and livelihood just to breathe naked. Mask up.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social)
Some ideas arrive like lightning. I’ve had a few I knew were too far ahead. Sat on them. Guarded them. Now it’s time. Not just to change the world— To change how we believe change works. Watch this space.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
Kind of agree with you… The other option is masking.
Sean Mullen, Ph.D. (@drseanmullen.bsky.social) reply parent
I’m sorry for your loss and good on ya for masking!