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Marc Veldhoen

@marcveld.bsky.social
12K followers 1.4K following 24K posts

Professor of Immunology 🇳🇱 🇬🇧 Lisbon, 🇵🇹 #Immunology Time for Science, not silence scholar.google.co.uk/citations?user… orcid.org/0000-0002-1478-9562 threads.net/@marc_veld buymeacoffee.com/mveldhoen

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Reposted by Marc Veldhoen
Marc Veldhoen @marcveld.bsky.social · 4h
Ik werd recent op deze Substack gewezen. Het pretendeert veel "Voor waarheidszoekers", maar levert de gebruikelijke en gevaarlijke pseudowetenschap en over- of foutgeïnterpreteerde studies. Dit is een voorbeeld. 1/10
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Reposted by Marc Veldhoen
Marc Veldhoen @marcveld.bsky.social · 5h
Host cell traversal by Plasmodium parasites drives sterilizing T cell-mediated immunity following immunization Why do whole-sporozoite malaria vaccines sometimes achieve sterilising immunity, while subunit vaccines struggle? www.nature.com/artic... 1/10
nature.com
Host cell traversal by Plasmodium parasites drives sterilizing T cell-mediated immunity following immunization
Nature Microbiology - Whole-organism malaria vaccine efficacy relies on host cell traversal by Plasmodium parasites, which promotes protective liver-resident CD8 T cell responses independently of...
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Reposted by Marc Veldhoen
Marc Veldhoen @marcveld.bsky.social · 3h
SARS-CoV-2 in the Netherlands, end of September 2026, and the end of the 2025/2026 virus season. What we can see in wastewater detection is an upward trend in virus circulation, but one that is again reduced compared to previous years. 1/4
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Marc Veldhoen @marcveld.bsky.social · 3h
SARS-CoV-2 in the Netherlands, end of September 2026, and the end of the 2025/2026 virus season. What we can see in wastewater detection is an upward trend in virus circulation, but one that is again reduced compared to previous years. 1/4
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Marc Veldhoen @marcveld.bsky.social · 4h
Ik werd recent op deze Substack gewezen. Het pretendeert veel "Voor waarheidszoekers", maar levert de gebruikelijke en gevaarlijke pseudowetenschap en over- of foutgeïnterpreteerde studies. Dit is een voorbeeld. 1/10
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Marc Veldhoen @marcveld.bsky.social · 5h
Host cell traversal by Plasmodium parasites drives sterilizing T cell-mediated immunity following immunization Why do whole-sporozoite malaria vaccines sometimes achieve sterilising immunity, while subunit vaccines struggle? www.nature.com/artic... 1/10
nature.com
Host cell traversal by Plasmodium parasites drives sterilizing T cell-mediated immunity following immunization
Nature Microbiology - Whole-organism malaria vaccine efficacy relies on host cell traversal by Plasmodium parasites, which promotes protective liver-resident CD8 T cell responses independently of...
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Marc Veldhoen @marcveld.bsky.social · 5h
Steeds maar die speculatie. Blijf ervan weg wanneer je er niets van weet. Dit is toaal verkeerd, details hierover zijn allang bekend. Dus waarom deze misinformatie verspreiden? Piloot uit India, copiloot van Oman. De burger piloten die samen landen kwamen uit Ukraine en Rusland
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Marc Veldhoen @marcveld.bsky.social · 10h
Move to rejoin EU among options for UK, says Burnham Let's hope so.
bbc.com
Move to rejoin EU among options for UK, says Andy Burnham
The prime minister tells the BBC the current Brexit settlement has caused "more harm than good".
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Marc Veldhoen @marcveld.bsky.social · 29/09/2026
Typisch: wanneer je iedere keer wordt veroordeeld, nu ook door de Hoge Raad, steeds maar weer doen alsof jij het beter weet dan ieder ander, vooral als diegenen veel expertise hebben. Het is hilarisch en zeer bedroevend om deze figuur steeds weer te zien spartelen.
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Marc Veldhoen @marcveld.bsky.social · 29/09/2026
When you see the author list, you should know you can move on and ignore it. This is again a preprint with extremely exaggerated claims. All this is used to try to create doubt and fear to feed the anti-Science ideology. "Fatal Cardiac Intimal Sarcoma" 1/9
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Marc Veldhoen @marcveld.bsky.social · 29/09/2026
In different times, this lying would be so embarrassing! But now, it is all part of playing for your "team", no matter what the reality is. This is terribly misrepresenting a very normal biomedical study. This is done on purpose, 1/8
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Reposted by Marc Veldhoen
Anne Applebaum @anneapplebaum.wsocial.eu · 26/09/2026
Amazing detail in this @wsj article about Kimberly Guilfoyle, US ambassador to Greece: she told a Greek minister, in a conversation about the collapse of the Romanian government,“We can do that to any country we want. We can do that here." www.wsj.com/articles/kim...
wsj.com
The Mystery Man Shadowing Kimberly Guilfoyle as She Pushes Deals Across Europe
Christos Marafatsos works as an energy lobbyist while also closely advising the U.S. ambassador to Greece.
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Reposted by Marc Veldhoen
Marc Veldhoen @marcveld.bsky.social · 28/09/2026
Did Anthropic’s A.I. Really Make a Scientific Discovery on Its Own? An expert at the University of Copenhagen said his team had been sharing its research with the company’s A.I. model, Claude, and that its new finding matched their work. www.nytimes.com/2026...
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Marc Veldhoen @marcveld.bsky.social · 28/09/2026
Did Anthropic’s A.I. Really Make a Scientific Discovery on Its Own? An expert at the University of Copenhagen said his team had been sharing its research with the company’s A.I. model, Claude, and that its new finding matched their work. www.nytimes.com/2026...
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Reposted by Marc Veldhoen
Sara Berkeljon @saraberkeljon.bsky.social · 19/09/2026
In de FvD-podcasts wordt openlijk sympathie uitgesproken voor het regime van Poetin, onjuiste informatie verspreid en worden Russische propagandanarratieven herhaald. Baudet en interim-fractievoorzitter Ralf Dekker spreken er de hoop uit dat Rusland wint. ‘We hebben zo’n grote gebeurtenis nodig.’
volkskrant.nl
FvD wil niet pro-Russisch genoemd worden, maar in The Forum & Friends klinkt onversneden Kremlin-propaganda: ‘Blijf vechten, jongens’
Forum voor Democratie ontkent pro-Russisch te zijn, maar in de Engelstalige podcast van de partij wordt geregeld Kremlin-propaganda verspreid en wensen sprekers dat Rusland het Westen en Oekraïne vers...
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Reposted by Marc Veldhoen
Simon Marks @simonmarksfsn.bsky.social · 27/09/2026
Cattle associations say ICE operations are disrupting Texas agriculture industry, will cause higher beef prices www.texastribune.org/2026/09/25/i...
texastribune.org
Cattle groups call out ICE operations for workforce disruptions
The beef industry has been under pressure recently from market disruptions, record high beef prices and small herd sizes. The groups say the ICE operations are another challenge for the industry.
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Marc Veldhoen @marcveld.bsky.social · 27/09/2026
Too many abusing this study again put of bring stupid, counting on their followers not reading. The study shows 53% death after Ebola infection + Remdesivir. Ebola infection one was 66% mortality. They constantly lie, because they don't understand science or data. Antivax is a deathcult ideology.
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Marc Veldhoen @marcveld.bsky.social · 27/09/2026
Reminder, now the vaccine invites are in for 2026/2027 Updated Evidence for Covid-19, RSV, and Influenza Vaccines for 2025–2026 Vaccines work, are safe: every year. www.nejm.org/doi/ful...
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Marc Veldhoen @marcveld.bsky.social · 27/09/2026
What is good for the geese is good for the gander. Infected dog prompts vaccination warning Jersey's States vet has advised dog owners to have their pets vaccinated after one was infected with a potentially fatal disease.
bbc.com
Infected dog prompts States Vet vaccination warning
The dog which is not vaccinated was infected with leptospirosis.
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Reposted by Marc Veldhoen
Dan Snow @thehistoryguy.bsky.social · 23/09/2026
You know who else was obsessed with dancing around on the pinheads of imagined classifications based on where great grandparents were born and what they believed? The Nazis.
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Reposted by Marc Veldhoen
Aaron Rupar @atrupar.com · 24/09/2026
So this story is WAY wilder than I thought The Trump post I flagged this morning because it includes Natalie Harp is actually based on the Getty photo you can see below. But there is one key difference -- MONICA CROWLEY'S FACE HAS BEEN EDITED TO LOOK LIKE NATALIE HARP'S WTF is going on here?
Getty pic of Xi and TrumpTrump TS post featuring the mentioned edit of Monica Crowley's faceoriginal pic image of MonicaTrump TS post which shows Natalie's face where Monica's is on the original. very weird
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Marc Veldhoen @marcveld.bsky.social · 27/09/2026
Hoe Putin de NAVO uitdaagt
youtu.be
Hoe ver durft Poetin te gaan?
Sabotage, brandstichting, drone- en raketaanvallen en mogelijk zelfs Russische militaire acties op NAVO-grondgebied. Dat is waar Europa de komende tijd rekening mee moeten houden, waarschuwt de ene na de andere Europese leider en inlichtingendienst deze week. Rusland voert de (hybride) oorlog ver
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Reposted by Marc Veldhoen
Marc Veldhoen @marcveld.bsky.social · 22/09/2026
This gave me serious déjà vu. A new Oncotarget commentary argues COVID-19 vaccines may contribute to cancer. I read the commentary, checked every reference, and then read the accompanying PubPeer discussion. It falls apart surprisingly quickly. marcveldhoen.substac... 1/3
marcveldhoen.substack.com
The abuse of science: A cancer scare built on speculation
Are both COVID-19 and COVID-19 vaccines associated with cancer?
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Reposted by Marc Veldhoen
Marc Veldhoen @marcveld.bsky.social · 26/09/2026
Stumbling stones banned in Heidenau, Saxony In Heidenau, Saxony, a city council decision has banned the laying of any more Stolpersteine ​​(stumbling stones). The initiative began in Cologne. Who would have thought....
tagesschau.de
Nordrhein-Westfalen: Stolpersteine im sächsischen Heidenau verboten
In Heidenau, Sachsen, dürfen nach einem Stadtratsbeschluss keine Stolpersteine mehr verlegt werden. Die Initiative begann in Köln.
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Marc Veldhoen @marcveld.bsky.social · 26/09/2026
Stumbling stones banned in Heidenau, Saxony In Heidenau, Saxony, a city council decision has banned the laying of any more Stolpersteine ​​(stumbling stones). The initiative began in Cologne. Who would have thought....
tagesschau.de
Nordrhein-Westfalen: Stolpersteine im sächsischen Heidenau verboten
In Heidenau, Sachsen, dürfen nach einem Stadtratsbeschluss keine Stolpersteine mehr verlegt werden. Die Initiative begann in Köln.
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Reposted by Marc Veldhoen
Simon Marks @simonmarksfsn.bsky.social · 24/09/2026
Mine on today's White House events so far....with @shelaghfogarty.bsky.social on the UK's @lbc.co.uk www.youtube.com/watch?v=BTpw...
youtube.com
Media outlets still barred from White House despite court ruling
YouTube video by LBC
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Reposted by Marc Veldhoen
Mark Thompson @sonofathomp.bsky.social · 25/09/2026
Death camps.
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Marc Veldhoen @marcveld.bsky.social · 26/09/2026
NIH launches new PubMed tool to strengthen research replication and reproducibility In PubMed, users can use the Linked Discoveries tool to explore a “neighborhood” of publications closely related to that article, including replication studies. www.nih.gov/news-eve...
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Reposted by Marc Veldhoen
Marc Veldhoen @marcveld.bsky.social · 25/09/2026
Threatening war crimes, warmongering, annihilation of a country ..... winner of the FIFA peace prize...... wanting the Nobel Peace Prize...... you can't make it up.
youtube.com
Trump at UN Defends Iran War, Rejects AI Risks
President Donald Trump defended the war in Iran, saying it will end after US midterm elections in his speech to the UN General Assembly on Monday. He also dismissed calls for an international agreement to put guardrails around the development of AI. #trump #iran #ai #politics #world #news #usa #nyc
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Marc Veldhoen @marcveld.bsky.social · 25/09/2026
Threatening war crimes, warmongering, annihilation of a country ..... winner of the FIFA peace prize...... wanting the Nobel Peace Prize...... you can't make it up.
youtube.com
Trump at UN Defends Iran War, Rejects AI Risks
President Donald Trump defended the war in Iran, saying it will end after US midterm elections in his speech to the UN General Assembly on Monday. He also dismissed calls for an international agreement to put guardrails around the development of AI. #trump #iran #ai #politics #world #news #usa #nyc
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Simon Marks @simonmarksfsn.bsky.social · 25/09/2026
In glorious technicolour, the video version of my "American Week" is now available for viewing via the LBC Official YouTube Channel: 📺: www.youtube.com/watch?v=jpny...
youtube.com
'Donald Trump baffles the Chinese' | Simon Marks' American Week
YouTube video by LBC
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Marc Veldhoen @marcveld.bsky.social · 25/09/2026
Exclusive: Sham scientific societies are misleading star researchers A Nature investigation reveals a network of organizations that have been building their ranks through deceptive practices.
nature.com
Exclusive: Sham scientific societies are misleading star researchers
Nature - A Nature investigation reveals a network of organizations that have been building their ranks through deceptive practices.
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Marc Veldhoen @marcveld.bsky.social · 24/09/2026
Anthropic says its biology lab has already found something big The AI giant announced that this lab has already made what it believes is a big discovery: a new enzyme “system” that has certain properties reminiscent of CRISPR,”
techcrunch.com
Anthropic says its biology lab has already found something big | TechCrunch
But maybe the biggest reveal is that Anthropic has not let Claude run loose in its biology lab. Humans are still, so far, in the loop.
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Marc Veldhoen @marcveld.bsky.social · 24/09/2026
Another step closer to a dictatorship. The dear leader ignores the court ruling. Judge orders White House to restore access to CNN, MS NOW and Politico. Reporters still blocked apnews.com/article/t...
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Marc Veldhoen @marcveld.bsky.social · 24/09/2026
Although the press lockout was for now overturned in court, the battle to keep a free press continues: Elon Musk Could Get Stake in CBS and CNN Under Paramount Merger Paramount’s David Ellison is considering joining forces with Elon Musk.
newrepublic.com
Elon Musk Could Get Stake in CBS and CNN Under Paramount Merger
Paramount’s David Ellison is considering joining forces with Elon Musk.
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Marc Veldhoen @marcveld.bsky.social · 24/09/2026
Fifth Person with West Nile Virus Dies as Sixteen New Infections Are Confirmed
nu.nl
Vijfde persoon met westnijlvirus overleden, zestien nieuwe besmettingen
In Nederland is opnieuw iemand overleden die het westnijlvirus had opgelopen, meldt het RIVM donderdag. Daarmee zijn dit jaar in totaal vijf mensen met het virus overleden. Ook zijn zestien nieuwe besmettingen vastgesteld.
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Marc Veldhoen @marcveld.bsky.social · 24/09/2026
It is improving! #EMBO Immunology Network Meeting
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Marc Veldhoen @marcveld.bsky.social · 24/09/2026
Judge orders Trump administration to immediately reinstate White House access to CNN, MS NOW and Politico
edition.cnn.com
Judge orders Trump administration to reinstate White House access to CNN, MS NOW and Politico | CNN Politics
Federal Judge Timothy Kelly has ordered the Trump administration to immediately reinstate CNN, MS NOW and Politico’s access to the White House after they were banned from the premises by President Donald Trump.
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Marc Veldhoen @marcveld.bsky.social · 24/09/2026
I can only hope it gets better today! #EMBO Immunology Network Meeting
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Marc Veldhoen @marcveld.bsky.social · 22/09/2026
This gave me serious déjà vu. A new Oncotarget commentary argues COVID-19 vaccines may contribute to cancer. I read the commentary, checked every reference, and then read the accompanying PubPeer discussion. It falls apart surprisingly quickly. marcveldhoen.substac... 1/3
marcveldhoen.substack.com
The abuse of science: A cancer scare built on speculation
Are both COVID-19 and COVID-19 vaccines associated with cancer?
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Marc Veldhoen @marcveld.bsky.social · 22/09/2026
It looks an orchestrated campaign to undermine a health system for all. You wonder why.....
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Marc Veldhoen @marcveld.bsky.social · 22/09/2026
Karma Trump bans social media from the White House and ends up... silent.
noticiasaominuto.com
Trump bane comunicação social da Casa Branca e acaba... sem pio - Notícias ao Minuto
O presidente dos EUA inaugurou esta segunda-feira um heliporto na Casa Branca. A cerimónia foi transmitida em direto num canal de televisão, mas como não havia microfones de outros meios, ninguém ouviu o que Trump disse.
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Prof Gavin Yamey MD MPH @gavinyamey.bsky.social · 22/09/2026
There has long been Republican hostility to Obamacare ("socialized medicine!") Republicans are desperate to kill it & to make many more millions uninsured; looks like Dr Oz is doing just that Trump's “Big Beautiful Bill” will already lead to around 15 million people losing health insurance by 2034
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Marc Veldhoen @marcveld.bsky.social · 22/09/2026
Karma Trump bans social media from the White House and ends up... silent.
noticiasaominuto.com
Trump bane comunicação social da Casa Branca e acaba... sem pio - Notícias ao Minuto
O presidente dos EUA inaugurou esta segunda-feira um heliporto na Casa Branca. A cerimónia foi transmitida em direto num canal de televisão, mas como não havia microfones de outros meios, ninguém ouviu o que Trump disse.
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Marc Veldhoen @marcveld.bsky.social · 22/09/2026
Amsterdam sounds alarm over vaccination rate: baby shots against mumps, measles, and rubella in free fall www.telegraaf.nl/bin...
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Reposted by Marc Veldhoen
Marc Veldhoen @marcveld.bsky.social · 08/01/2026
COVID vaccination and post-infection cancer signals: Evaluating patterns and potential biological mechanisms In oncotargett, delisted from databases PubMed/MEDLINE, Clarivate and WoS in 2017/18. On Beals list of preditory journals. Author is the EiC. retractionwatch.com/... 1/8
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Marc Veldhoen @marcveld.bsky.social · 22/09/2026
Extreem rechts opruiertje Jan Bonte denkt dat Nederlandse politici de prijs van energie in de wereld kunnen bepalen. Nee, niet echt, maar opruien is wat hij moet doen.
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Marc Veldhoen @marcveld.bsky.social · 21/09/2026
The NIH budget should be $100 billion per year Now is the time to invest far more in scientific research, not less
statnews.com
The NIH budget should be $100 billion per year
“We should be strengthening our investment in the NIH, not dismantling it,” writes Reed Jobs.
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Marc Veldhoen @marcveld.bsky.social · 21/09/2026
Nearly 3m more lives could be saved in next pandemic if vaccines are shared more fairly, says report
theguardian.com
Nearly 3m more lives could be saved in next pandemic if vaccines are shared more fairly, says report
Move would mean deaths would rise in wealthier nations, according to NUS-Lancet Prime commission – which modelled a response to a flu pandemic based on population size, not purchasing power
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Marc Veldhoen @marcveld.bsky.social · 21/09/2026
Oncotarget has developed itself as what seems like another anti-Science journal. This is yet another piece that is scientifically very weak. In several places, it relies on rhetoric, guilt by association, and misuse of evidence rather than establishing a causal argument. 1/8
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