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Frederik Schaltz-Buchholzer Profile
Frederik Schaltz-Buchholzer

@FSBuchholzer

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MD PhD, Assistant Professor at Bandim Health Project @SyddanskUni. Vaccine trials & epi. Father of 2, polyglot. WhatsApp (+45) 42702170 ✉️ [email protected]

Copenhagen
Joined December 2014
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@FSBuchholzer
Frederik Schaltz-Buchholzer
6 months
In a new @Sensible__Med column, I had the chance to provide some much needed nuance regarding @RobertKennedyJr & the field of vaccinology. He is correct that most vaccines were never adequately tested for their overall health effects, so I hope this will change w his nomination.
@VPrasadMDMPH
Vinay Prasad MD MPH
6 months
To me this is one of the reasons @Sensible__Med exists.A collumn by @FSBuchholzer, who is an epidemiologist & vaccine researcher, who is largely SUPPORTIVE of @RobertKennedyJr, even on vaccines. How is that possible?.link in replies
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@FSBuchholzer
Frederik Schaltz-Buchholzer
7 days
BUT the Lancet study did not include non-specific effects in their out-of-this-world numbers, only the specific effect against the targeted diseases, which were of course astronomical, given that DTP is highly effective. But effects on all-cause mortality is what matters.
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@FSBuchholzer
Frederik Schaltz-Buchholzer
7 days
Aside from the false safety assurances, the statement goes on to cite a recent Lancet study that concluded that DTP saved over 40 million lives globally in the last 50 years (, which would be utterly phenomenal if true. .
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@FSBuchholzer
Frederik Schaltz-Buchholzer
7 days
GAVI posted a statement basically saying that all safety concerns regarding DTP has been accounted for by WHO's SAGE. This, however, is not correct, because it has been 10 years since SAGE looked into this, thus before 2017 study referred to by RFK Jr.
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@FSBuchholzer
Frederik Schaltz-Buchholzer
9 days
GAVI's work is important and I regret the US defunding. It would likely be better to work with the relevant bodies to initiate the necessary safety studies and assess whether DTP has negative non-specific effects, which all observational data with adequate methodology suggests.
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@FSBuchholzer
Frederik Schaltz-Buchholzer
9 days
If I may chip in here, it is correct that the safety concerns over DTP has been ignored ever since they were first reported >2 decades ago. This is not GAVI's area of responsibility, however, the fault is with WHO's SAGE, who promised to do additional studies and never did them.
@SecKennedy
Secretary Kennedy
11 days
In its zeal to promote universal vaccination, @gavi, the Vaccine Alliance has neglected the key issue of vaccine safety. When vaccine safety issues have come before GAVI, it has treated them not as a patient health problem, but as a public relations problem. During the COVID-19
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@FSBuchholzer
Frederik Schaltz-Buchholzer
24 days
Vaccine trials should not only be placebo-controlled (with a real inactive placebo, saline), they should also report effects on all-cause mortality and morbidity. In this way, we would assess the vaccine effects on overall health: positive, negative, or no non-specific effects.
@apsmunro
Alasdair Munro
24 days
Good question - but this is well known!. 1. Vaccine safety issues are, in reality, rarely determined in clinical trials at all - because the events are so rare. They are often only detected in post licensure surveillance after the vaccine has been shown effective (in trials).
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@FSBuchholzer
Frederik Schaltz-Buchholzer
3 months
RT @StabellBenn: Det var godt at møde Weekendavisens chefredaktør Martin Krasnik ansigt til ansigt og konfrontere ham med de mange fejl, so….
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@FSBuchholzer
Frederik Schaltz-Buchholzer
4 months
I am still waiting for input from @19joho as to whether he wants dyes out of food. Apparently, GRAS standards has been abused in the US and it is stipulated that there are 10,000 ingredients in American products vs 400 in Europe. If that is true, it is a ridicouless difference.
@FSBuchholzer
Frederik Schaltz-Buchholzer
4 months
@AVPac_US @19joho any thoughts on these proposals? It all sounds reasonable to me. Cell phones are banned at my children's school in Denmark, our food is healthy and life expectancy high, and increasing.
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@FSBuchholzer
Frederik Schaltz-Buchholzer
5 months
I was happy to debate input on my recent post regarding RFK Jr's nomination with @adamcifu . Link below.
@VPrasadMDMPH
Vinay Prasad MD MPH
5 months
Cifu vs. Schaltz-Buchholzer.A debate on RFK Jr.You won't want to miss this!!!
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@FSBuchholzer
Frederik Schaltz-Buchholzer
5 months
RT @StabellBenn: About "fact-checking". @nytimes has fact-checked @RobertKennedyJr's statement that a study showed that DTP-vaccine was as….
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@FSBuchholzer
Frederik Schaltz-Buchholzer
5 months
RT @VPrasadMDMPH: Let's talk for a minute about what the last FDA commissioner accomplished .He said misinformation was the leading cause o….
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@FSBuchholzer
Frederik Schaltz-Buchholzer
6 months
Key papers for an introduction to non-specific effects of vaccine and the innate immune training (or tolerance) that vaccines have been shown to introduce:.
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@FSBuchholzer
Frederik Schaltz-Buchholzer
6 months
Even more worryingly, it appears that several US states are introducing or have introduced vaccine laws making hepatitis vaccines mandatory for a kid to go to daycare or school, further fuelling vaccine hesitancy.
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@FSBuchholzer
Frederik Schaltz-Buchholzer
6 months
I am therefore naturally hesitant, especially about mass vaccination in such a vulnerable period of the baby's life. And it seems that European countries are too; only a couple of eastern European countries (🇧🇬🇱🇹🇵🇱🇷🇴) and 🇵🇹 apply such a radical policy.
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@FSBuchholzer
Frederik Schaltz-Buchholzer
6 months
An important concern is that hep. B vaccine is an inactivated (subunit) vaccine, a vaccine class previously associated with detrimental non-specific effects. Hep. B vaccine has not been evaluated for such effects, e.g., effects on the newborn's overall health & immune system.
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@FSBuchholzer
Frederik Schaltz-Buchholzer
6 months
I've been attacked by a few anonymous profiles and a couple of neurologists and surgeons, for saying that mass hep. B vaccination immediately at birth is unnecessary, with a screening program & vaccination of infants at risk of maternally-transferred hep. B being a better policy.
@FSBuchholzer
Frederik Schaltz-Buchholzer
6 months
In a new @Sensible__Med column, I had the chance to provide some much needed nuance regarding @RobertKennedyJr & the field of vaccinology. He is correct that most vaccines were never adequately tested for their overall health effects, so I hope this will change w his nomination.
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@FSBuchholzer
Frederik Schaltz-Buchholzer
6 months
I was happy to be interviewed recently by @Jenbas1 regarding RFK Jr's role in the incoming Trump administration and the excessive US child vaccination program. Link (in Danish):.
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@FSBuchholzer
Frederik Schaltz-Buchholzer
6 months
Som tak må vi så lægge øre til brok over opfundne mikroproblemer såsom pakkestørrelser på hakket oksekød, som om fryseren ikke var opfundet.
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