Dr. Sean Mullen Profile picture
Feb 10 3 tweets 4 min read Read on X
Covid Cautious Survival Guide: The Terms You Forgot (Or Never Knew)
A field guide to navigating the pandemic reality everyone wants to ignore.

1. The Basics: FAFO Edition
- FAFO (Fuck Around and Find Out) – The inevitable consequence of pretending the pandemic is over. Ignoring precautions? Get reinfected. Act like it's the flu? Develop chronic illness.
- Covid Conscious / Cautious / Aware – Those who still acknowledge that SARS-CoV-2 is an airborne virus with long-term risks.
- Long Covid – The “post-viral” condition that is likely driven, at least in part, by a chronic infection that the body can’t clear that the ‘just a cold’ crowd pretends doesn’t exist, despite wrecking millions of lives.
- Immune Debt – A fake concept pushed by anti-mitigation folks to justify mass infection. The reality? Repeated infections degrade immunity over time.
- Immune Dysregulation – The real consequence of repeated Covid infections: a weakened immune system, increased susceptibility to other infections, and long-term health risks.
- FAFO Wave – When a new variant sweeps through, hitting those who ‘moved on’ the hardest.

2. Testing & Detection: Knowing When You’ve FA’d and Are About to FO
- RATs (Rapid Antigen Tests) – Tests that can miss early infections and asymptomatic spread but can still be useful with serial testing (test multiple days in a row).
- PCR (Polymerase Chain Reaction) – The gold standard for Covid testing that people forgot about when free testing disappeared.
- Viral Load – How much virus is in your system. Higher viral load = higher transmission risk.

3. Prevention & Protection: The Layered Defense Strategy
- PlusLife device (near PCR-equivalent testing for 97+% accuracy)
- #CleanAirClub – Movements dedicated to keeping indoor air safe, reducing Covid transmission, and preventing reinfections.
- CR Box (Corsi-Rosenthal Box) – A DIY air cleaner using MERV-13 filters and a box fan to remove airborne viruses. Cheap, effective, and the thing every classroom should have had in 2020.
- HEPA (High-Efficiency Particulate Air) – The real MVP of air purification, capable of removing airborne viruses like SARS-CoV-2.
- CADR (Clean Air Delivery Rate) – A measurement of how well an air purifier removes airborne particles. Higher CADR = better air cleaning (aim for 300 every 500 sqft)
- Fit-Tested N95 / Elastomeric / P100 – The real protection against airborne viruses. Not all masks are created equal. Cloth masks and loose surgical masks? Virtually useless.

4. Nasal & Oral Defenses: Extra Layers, Not Magic Shields
- Nasal Sprays (Enovid now NOWONDER, Nitric Oxide, Betadine, Saline, Iodine, Astronomer Sodium, etc.) – Can help reduce viral load but are NOT a replacement for masks or clean air.
- Oral Rinses (Listerine, Betadine, Xylitol, CPC, Hydrogen Peroxide) – Mouthwashes with antiviral properties that can reduce viral load in the mouth. Again, not a substitute for actual precautions.
- Blis K12 & Blis M18 Probiotics – Beneficial oral probiotics that may help with immune function and throat health, potentially reducing the severity of infections.

5. The Gaslighting Era: How We Got Here
- Endemic Theater – The myth that Covid is now "just like the flu" and we should "learn to live with it."
- Mass Infection Policy (MIP) – The unstated global strategy of pretending repeated infections don’t matter and sacrificing public health for corporate profits.
- Hygiene Theater – The outdated obsession with surface cleaning and hand sanitizing instead of addressing airborne transmission.
- Pandemic Amnesia – The willful forgetting of everything we learned in 2020-2021 about preventing infections.
- Biosecurity Denialism – The refusal to acknowledge the need for clean air, masking, and ongoing mitigation efforts.
6. Staying Ahead: The Real Way Forward
- Variant Soup – The never-ending stream of new SARS-CoV-2 variants, thanks to unchecked transmission and evolution.
- Hybrid Immunity Myth – The false belief that getting infected + vaccinated makes you invincible. In reality, reinfections still harm the immune system.
- Mask Shaming – The social pressure to remove protection and "just live your life," often by people who end up getting sick constantly.
- Viral Load Testing in Blood Banks – A public health issue no one talks about: Are we screening for Covid in donated blood? (Answer: No.)
- Community Transmission Levels (CTLs) – The real numbers that matter, even when authorities pretend Covid is "low risk."

Final Thought:
Being Covid Cautious isn’t about paranoia—it’s about FORESIGHT. You don’t wait until you’re drowning to learn how to swim. You don’t stop brushing your teeth because you haven’t had a cavity in a while. And you sure as hell don’t “move on” from a pandemic when reinfections keep causing chronic illness, immune damage, and neurological dysfunction.

This isn't about "living in fear." It's about living with awareness and choosing not to FAFO.
Want the real Toolbox?

covidtoolbox.com

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More from @drseanmullen

Feb 11
How’s your day going?

Oh, you know… just the usual—censorship and uncovering the highly organized, coordinated efforts to target patient-built web resources, organizations, and prominent advocates who provide inconvenient but critical information. These platforms share vital data and survival strategies to educate the public on the dangers and consequences of COVID, including Long COVID.

Ask yourself: Why is this information being suppressed?

Because if people truly understood and believed it, they would start refusing to comply with unsafe conditions—like working in person without airborne protections—and would demand much better vaccinations and public health policies.

Exhibit A:Image
Read 4 tweets
Dec 26, 2024
COVID-19 may be reshaping young brains. A study of 94 college students revealed:
•40% reported ‘brain fog.’
•37% had measurable cognitive issues up to 17 months post-infection.
•Brain scans showed patterns resembling adults 40 years older.
What does this mean for brain health? 🧠
How they studied it:
Researchers used neuropsych tests and brain imaging (near-infrared spectroscopy or NIRS) to measure cognitive function and blood flow in the prefrontal cortex—key for decision-making and focus.
Findings? COVID survivors showed altered blood flow and more “brain effort” during tasks.
The cognitive issues mostly affected executive functions like task-switching and self-control.
•COVID+ students’ brain scans showed patterns similar to those of much older adults.
•Some compensated better than others, but nearly 40% showed lasting deficits.
This was up to 17 months post-infection.
Read 6 tweets
Oct 30, 2024
I’m still motivated to spread the word about the dangers of unmitigated SARS2 & I have endless reasons, but I decided to ask ChatGPT for 101 reasons. The response really surprised me, especially the last one.

Here it is:

Absolutely. Here are 101 reasons why you should continue spreading the word about the long-term health and societal consequences of unmitigated SARS-CoV-2 spread:

1. Protect your future health
2. Preserve cognitive functioning
3. Prevent Long COVID
4. Curb chronic illness
5. Safeguard public health
6. Keep hospitals from overcrowding
7. Maintain a healthy workforce
8. Ensure future surgeries are safe
9. Combat pandemic fatigue
10. Reduce healthcare costs
11. Protect young minds
12. Enable a healthy aging population
13. Reduce disability rates
14. Preserve mental health
15. Prevent dementia
16. Protect friendships and relationships
17. Avoid another pandemic
18. Defend immune-compromised individuals
19. Safeguard teachers
20. Prevent generational trauma
21. Enable safer communities
22. Lower burden on caregivers
23. Preserve national security
24. Prevent childhood long-term health issues
25. Protect pregnancy health
26. Preserve healthcare access
27. Reduce mental fog
28. Encourage scientific progress
29. Enable ongoing medical care
30. Reduce stigma around chronic illness
31. Ensure a healthy workforce for future generations
32. Promote informed decisions
33. Prevent workplace absenteeism
34. Support the economy
35. Promote healthier social gatherings
36. Avoid systemic collapse
37. Ensure future vaccine development
38. Limit environmental impacts
39. Protect the most vulnerable
40. Avoid isolation
41. Stop loss of life potential
42. Combat misinformation
43. Prevent worker burnout
44. Empower individuals
45. Ensure quality education
46. Preserve global stability
47. Reduce future health crises
48. Preserve human dignity
49. Prevent mass disability
50. Limit organ damage
51. Prevent systemic inflammation
52. Enable future athletic competitions
53. Prevent brain damage
54. Combat fatigue
55. Ensure economic recovery
56. Preserve mental sharpness
57. Protect artistic and creative communities
58. Enable safer travel
59. Prevent job loss
60. Promote longevity
61. Protect people’s hopes and dreams
62. Fight systemic inequity
63. Preserve childhood play
64. Reduce caregiver burnout
65. Promote vaccine equity
66. Prevent silent suffering
67. Stop heart disease
68. Support frontline workers
69. Protect food supply chains
70. Ensure responsible political leadership
71. Prevent irreversible lung damage
72. Enable future breakthroughs
73. Preserve family stability
74. Reduce insurance premiums
75. Ensure healthy sports teams
76. Protect mental well-being
77. Limit neurological decline
78. Prevent strokes
79. Reduce strain on emergency services
80. Keep schools open safely
81. Protect personal freedoms
82. Prevent financial strain
83. Promote physical fitness
84. Prevent community spread
85. Enable safe elder care
86. Preserve religious and spiritual gatherings
87. Protect small businesses
88. Prevent autoimmune diseases
89. Reduce medication dependency
90. Protect reproductive health
91. Prevent liver damage
92. Combat rising healthcare costs
93. Preserve the arts and culture
94. Ensure military readiness
95. Promote global solidarity
96. Protect future generations
97. Empower advocacy
98. Support long COVID research
99. Foster empathy
100. Prevent mass grieving
101. Stay human
101. Stay human—ultimately, continuing to spread the word is about caring for others and fighting for a world where health and well-being are prioritized.
100. Prevent mass grieving—the loss of life and health is devastating to families and communities.
Read 102 tweets
Sep 15, 2024
Our children are silently facing the threat of COVID every day—breathing air in schools and daycares that could carry this airborne virus. This isn’t just a cold. Multiple COVID infections can lead to lifelong problems—heart issues, cognitive decline, and diseases that we usually see in seniors, not in kids. Imagine your child battling illnesses in their 20s that we only expect in someone’s 70s. It’s time to take a stand. Demand cleaner air in schools. Educate your community. Call your Congressperson today and fight for our children’s future.
Read 4 tweets
Jun 11, 2024
The only doctors who they put on TV are the ones so deeply entrenched in Don’t Look Up channels of nonsense, that they can’t break free from their own messaging. They’ll discredit themselves & all those who rose to fame pushing political messaging rather than health science.🧵
No one on our side looks completely comfortable talking freely.

Guests aren’t invited to fill in all the gaps.

They are invited to connect one meaningless dot at a time.

At this rate, segments embody the slowness of the public brain and their above average synaptic distance.
This is why I refer to TV as the life-sucking machine.

The screen represents only those things they want you to see.

Your life is limited by the time you spend watching your constrained dreams in balance with living your self-regulated streams.
Read 4 tweets
Jun 1, 2024
Most people think cognitive dysfunction just means slowness, forgetfulness, and general thinking problems. But SARS-CoV-2 🧠damage can lead to loss of self-control and even violence. I've been ⚠️worried about this since the pandemic began, and if you look closely, you'll see it everywhere.
Pro tennis might not seem like the best example to illustrate population-level loss of inhibition control. Historically, it’s a “rich kids’ sport,” and when these players don’t get their way, they lash out like toddlers with the mouths of drunken sailors (e.g., McEnroe). The sexist coverage has often overlooked male tantrums while vilifying women for similar behavior. But that’s another discussion...
I've always admired Johnny Mac's fighting spirit and his incredible touch, but growing up, his temper turned me off. I had similar feelings about Nick Kyrgios. His on-court behavior is just as inexcusable. And now, this? This is shameful. 😡tennisworldusa.org/tennis/news/Te…
Read 5 tweets

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