Dan Pettersson 🇸🇪@PettDanFTW

Engineer, management phd student, mtg player, covid long-hauler (recovered or mostly recovered).

 Stockholm, Sverige
Joined July 2015
24 Photos and videos
Dan Pettersson 🇸🇪 retweeted
Dr. Lucky Tran@luckytran
Sep 24
Joining global advocates for clean air at the UN today! ✊
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Dan Pettersson 🇸🇪 retweeted
Conor Browne
@brownecfm
Sep 24
The disconnect between the millions of dollars being thrown at biosecurity / biodefense right now and the simultaneous mocking of people wearing masks is so painfully, tragically stark. A respirator is a tool, just like a biosensor or a biological countermeasure.
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Dan Pettersson 🇸🇪 retweeted
Julie S. Lam@MsJulieSLam
Sep 24
At the #ClimateWeek "Healthy Air in NYC Schools" event, I was moved by the projected impacts of implementing ASHRAE Standard 241, with ⬆️ ventilation & filtration + real-time AQ reporting. So happy to sit with @HNewlevant, @VSicaKasabach, @ChristinaAuria, and to meet @DrBronKing!
A group picture at ClimateWeek NYC Event: Healthy Air in NYC Schools - Leadership Action Hour, Sept 23, 2026. | Left to right is Air Club Cofounder Dr. Bronwyn King, AO, wearing a purple BreatheTeq KN95; Cartoonist and Editor Hazel Newlevant, wearing a black Zimi Air KN100; Designer, Strategist & Educator Vanessa Sica Kasabach, wearing a 3M Aura; and MaskTogetherAmerica Founder Julie Lam, wearing a BNX duckbill-style N95, making a peace sign.

ALT A group picture at ClimateWeek NYC Event: Healthy Air in NYC Schools - Leadership Action Hour, Sept 23, 2026. | Left to right is Air Club Cofounder Dr. Bronwyn King, AO, wearing a purple BreatheTeq KN95; Cartoonist and Editor Hazel Newlevant, wearing a black Zimi Air KN100; Designer, Strategist & Educator Vanessa Sica Kasabach, wearing a 3M Aura; and MaskTogetherAmerica Founder Julie Lam, wearing a BNX duckbill-style N95, making a peace sign.

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Dan Pettersson 🇸🇪 retweeted
The Lone Masker@wonderartsy
Sep 24
Still masking #MaskUp lots of flu and c19 going around and I dunno about you but i have enough problems without adding a viral infection on top of it all!
I'm wearing a gray breatheteq kn95 mask and a navy arm sling

ALT I'm wearing a gray breatheteq kn95 mask and a navy arm sling

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Dan Pettersson 🇸🇪 retweeted
Mike Hoerger, PhD MSCR MBA
@michael_hoerger
Sep 23
You don't have to be Steven Spielberg, Violet Affleck, and Jonas Vingegaard to wear a mask.
Steven Spielberg

ALT Steven Spielberg

Violet Affleck

ALT Violet Affleck

Jonas Vingegaard

ALT Jonas Vingegaard

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Dan Pettersson 🇸🇪 retweeted
Conor Browne
@brownecfm
Sep 23
A contractor was at my house a few days ago. The last time he was there - about two years ago - he told me that he'd been having some brain fog after Covid. This time, he told me, completely nonchalantly, that he, 'can't remember anything now'. He's ten years younger than me.
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RT @Climate_Inform: COVID-19 hat eine neue hoch ansteckende Variante. Bitte verbreiten Sie es weiter. Linnemann, der aktuelle Bundesge…
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Dan Pettersson 🇸🇪 retweeted
Ilkka Rauvola
@jukka235
Sep 21
Finland's epidemic 21 Sep 2026: after falling to record-low levels in June 2026, amount of virus found in wastewater is rising at an annual rate of 311,000 times per year (3.53% per day). The previous increase lasted 11.3 months, with a growth rate of 30.3 times per year. 1/x
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Dan Pettersson 🇸🇪 retweeted
Bean Bestie@MaskedHottiee
Sep 21
I went to my first Covid Cautious event and had an amazing time at the cat cafe!!! Wow what a beautiful day!
Picture of me doing peace signs on the couch with three cats

ALT Picture of me doing peace signs on the couch with three cats

Picture of me with a cat on my lap

ALT Picture of me with a cat on my lap

Picture of four kittens sleeping on a couch

ALT Picture of four kittens sleeping on a couch

Picture of two cats sleeping

ALT Picture of two cats sleeping

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Dan Pettersson 🇸🇪 retweeted
Keith@keetmuise
Sep 21
Steven Spielberg wearing a mask outside is a good example of someone protecting themselves from not only Covid but the other viruses that are out there. #MaskUp #Covid19 #kids #backtoschool
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Dan Pettersson 🇸🇪 retweeted
Just A Neighsayer@justaneighsayer
Sep 21
Stars, just like us! Steven Spielberg wearing a black KN95 outside
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Dan Pettersson 🇸🇪 retweeted
Julia Marie@julia_doubleday
Sep 21
ppl are so committed to not knowing about damage from Covid, a big account on here just posted about Covid brain damage & ppl in the comments were protesting IS THERE ANY EVIDENCE OF THAT….literally just type “Covid brain damage” into google and pages of studies come up??
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Dan Pettersson 🇸🇪 retweeted
Vipin M. Vashishtha
@vipintukur
Sep 19
SARS-CoV-2 has a protein that can turn immune cells into accomplices ➡️ Researchers found that the viral protein #ORF8 reprograms #macrophages, increasing #ACE2 on their surface and making them easier for SARS-CoV-2 to infect. ➡️ The infected macrophages then lose antiviral function and release inflammatory signals that amplify infection and lung damage in experimental models. 1/
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Dan Pettersson 🇸🇪 retweeted
The Vertlartnic@TheVertlartnic
Sep 19
There’s Nothing Wrong With Anyone, And The Things That Aren’t Wrong Weren’t Caused By That, And Even If They Were, They’re Good For You, And Your Fault, And Inevitable, And Anyway It’s Time To Move On.
A serious man Headline: There’s Nothing Wrong With Anyone, And The Things That Aren’t Wrong Weren’t Caused By That, And Even If They Were, They’re Good For You, And Your Fault, And Inevitable, And Anyway It’s Time To Move On. Story by Morris Again and Basil Arsenal Photo from Adobe

ALT A serious man Headline: There’s Nothing Wrong With Anyone, And The Things That Aren’t Wrong Weren’t Caused By That, And Even If They Were, They’re Good For You, And Your Fault, And Inevitable, And Anyway It’s Time To Move On. Story by Morris Again and Basil Arsenal Photo from Adobe

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Dan Pettersson 🇸🇪 retweeted
Keith@keetmuise
Sep 19
Outdated’ health policies surrounding Covid still pose a danger today, says U of C researcher Dr Mark Ungrin. We also hear from Dr David Keegan and Kerri Bowser and you’ll notice they all have masks on. Great modelling along with the messaging. #MaskUp
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Dan Pettersson 🇸🇪 retweeted
En(during COVID)@DEC0L0NIZE
Sep 20
“taking care of self is the new black.” @common
picture of light complected black man wearing black hat, jacket, respirator mask, and shirt that reads: fight fascism wear a mask [image of white high quality mask on shirt] — i’m standing next to brick wall with a sign that reads: stanford medicine health care

ALT picture of light complected black man wearing black hat, jacket, respirator mask, and shirt that reads: fight fascism wear a mask [image of white high quality mask on shirt] — i’m standing next to brick wall with a sign that reads: stanford medicine health care

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Dan Pettersson 🇸🇪 retweeted
Nina Wildflower@Ninawildflower
Sep 20
“Why's that man wearing a mask on his own in his Bumper Car? “He's Dodgem COVID.” A🧵on “understudied populations” and science literacy.
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Dan Pettersson 🇸🇪 retweeted
Mike Hoerger, PhD MSCR MBA
@michael_hoerger
Sep 19
Four years ago today, President Biden said, "The pandemic is over. We still have a problem with COVID." At the time, we were in the 5th COVlD wave. We're now in the 13th.
60 Minutes
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Dan Pettersson 🇸🇪 retweeted
Conor Browne
@brownecfm
Sep 20
1. New-onset allergies following COVID: 'The Covid 'on switch' Some people are born with a genetic predisposition to allergy. But "it's not all genetics," says Ruchi Gupta, director of the Center for Food Allergy and Asthma Research at Northwestern University in Illinois...
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