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Marc Van Ranst

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Marc Van Ranst

Belgian virologist
@vanranstmarc · 179,549 Followers
15 Followers

This apparent Russian strike on a train so close to the Poland border — coming just after Western officials had used the same line — is a dangerous escalation that jeopardizes civilians and regional stability and should push democracies to double down on defensive aid, humanitarian relief, and relentless diplomatic pressure to hold Moscow accountable and prevent a wider conflagration.

Bob Garry is a prominent virologist. Yet, during the Trump era, he is insulted and threatened, solely because he believes that the scientific evidence more likely points to a natural origin of SARS-CoV-2 rather than a lab leak. (translated)

The American bioethics community is now loudly saying what many have seen for a long time: the attack on Fauci has nothing to do with criticism of science, but everything to do with a witch hunt against a man who has advised seven presidents for decades and during COVID simply did what everyone... (translated)

A Dutch person has died from an infection with the West Nile virus. This virus is also present in our country. Should we be worried? Not in the sense that there is reason for panic. However, it is wise to be a bit more consistent with regular mosquito repellent measures during the mosquito season. (translated)

New research shows that 'furin cleavage sites' in coronaviruses can easily arise naturally. No lab manipulation or gain-of-function work is needed for that. It removes an argument from those who think that SARS-CoV-2 originated from a (translated)

Fortunately, there is the mRNA vaccine technology that now provides personalized mRNA-based cancer vaccines. Anyone who wanted to restrict research into mRNA vaccines must now feel particularly foolish. (translated)

The flag of this nation is waving at the city hall of Antwerp, because, hold on, it is "the side of the light". Minister Ben-Gvir is no better than Hamas. (translated)

When the United States bombed Tokyo with incendiary bombs on the night of March 9 to 10 and an estimated 80,000 to 100,000 civilians lost their lives, that was undoubtedly a war crime, a horror, and a form of democide. Unlike in Gaza, where Israel (translated)

Look at the drone footage and ask yourself: can you really believe that all of this were legitimate targets according to the laws of war? The answer is no. (translated)

The sobering fact is that Israel has already killed tens of thousands of innocent civilians. Unfortunately, it is their modus operandi. (translated)

Why do we maintain diplomatic ties with a state whose minister openly advocates for the killing of 30 to 40 Gazans per night, and then dehumanizes them as people who "are not worth living" and even "are not people"? (translated)

Mr. Duchâtelet proposes to reintroduce child labor from the age of twelve. We are not going to do that. But the fact that a billionaire dares to make this proposal in 2026 should warn us. (translated)

Vaccine Policy by Vanity In the Trump administration’s latest attempt to turn public health into a culture-war dispute, childhood vaccination has become the latest prop. On 10 August, Donald Trump signed an executive order that recasts protection against 11 diseases as the #VaccinePolicy #PublicHealth #TrumpAdministration #US

@mauricedehond Je verkoopt onzin, Maurice. We kunnen enkel hopen dat mensen zoals jij tijdens een crisis zo ver mogelijk van de knoppen blijven. #crisis #informatie #verantwoordelijkheid

Een grote Franse nationale cohortstudie (JAMA Network Open, 2025) volgde meer dan 527.000 baby’s, waarvan ruim 130.000 moeders blootgesteld waren aan een mRNA‑covidvaccin in het eerste trimester van de zwangerschap. De onderzoekers vonden geen enkel verhoogd risico op aangeboren afwijkingen: noch in de totale groep, noch per orgaansysteem, noch voor individuele misvormingen. De data sluiten een teratogeen signaal overtuigend uit en bieden sterke geruststelling dat mRNA‑vaccins de foetale ontwikkeling niet verstoren. Daarnaast tonen tientallen studies, gebundeld in een grote meta‑analyse met samen bijna 150.000 zwangerschappen, dat covidvaccinatie – inclusief mRNA‑vaccins – het risico op miskraam niet verhoogt. De gemiddelde miskraampercentages bij gevaccineerde vrouwen liggen volledig binnen de normale achtergrondcijfers zoals die vóór de pandemie al beschreven waren. Samen geven deze twee pijlers (één reusachtige cohortstudie over aangeboren afwijkingen en één meta‑analyse over miskramen) een consistent beeld: covid mRNA‑vaccins zijn tijdens de zwangerschap veilig en veroorzaken geen toename van ernstige zwangerschapscomplicaties. Dus: laat het los, Maurice:! Er was en is geen enkel probleem met covidvaccinatie van zwangere vrouwen. Je probeert onnodig ophef te veroorzaken. Ik denk daar wat van. #COVIDvaccinatie #Gezondheid #Zwangerschap

At the fair of disinformation, Maurice de Hond always has the biggest and loudest booth. Moreover, he is wrong. All studies show that covid vaccines do not lead to miscarriages. The question is: why does Maurice de Hond try to spread nonsense and discord? (translated)

Just to dot the i's and cross the t's, because a lot of nonsense is circulating today again about COVID vaccination during pregnancy. 1) Miscarriage: no increased risk; nor convincing evidence that vaccination directly prevents a miscarriage. 2) Premature birth: no increased risk; some (translated)

The willingness of Trump, RFK Jr., and Bhattacharya to resurrect the vaccine–autism myth is not merely ignorant; it is a cynical betrayal of evidence-based public health. Ignorance reigns. https://t.co/HMFwa3TKhp #VaccineMyth #PublicHealth #COVID19 #Therearenospecificcountryreferencesinthetweetprovided.Therefore #therearenocountrycodestoreturn.

The leaked private notes of Dr. Fauci by the Republicans contain the names and medical information (diagnoses, symptoms, test results) of more than 20 patients. I find it unethical that academics apparently approve of leaking such private notes and reading them. (translated)

The private notes leaked by the Republicans from Dr. Fauci contain the names and medical data (diagnoses, symptoms, test results) of more than 20 patients? I find it unethical that academics apparently approve of leaking such private notes and reading them. (translated)