Eric Topol Profile picture
Feb 4, 2022 4 tweets 2 min read Read on X
New: Assessment of an Omicron-specific booster vs Moderna original (vs ancestral) booster in macaques: no difference
"An Omicron boost may not provide greater immunity or protection compared to a boost with the current mRNA-1273 vaccine"
biorxiv.org/content/10.110… Image
Interesting to note that the same was seen for the Beta variant with the Pfizer vaccine, original vaccine booster vs Beta-specific booster, which led to abandoning that strategy.
3rd shots of the original vaccines are performing far better than expected 👍
A very good thread on the new Omicron-specific booster study and the overarching issue by @erlichya
A new piece by @Dereklowe on antibody imprinting frames the new results of the Omicron-specific vaccine vs the ancestral strain vaccine especially well
science.org/content/blog-p…

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More from @EricTopol

Apr 13
Most people haven’t heard of this test, which is available in the US. It accurately predicts Alzheimer’s (not just if there’s a risk, but when). It is favorably affected by exercise and likely many other lifestyle factors.
Here’s (almost) everything we know about it. In Ground Truths (link in my profile d/t X-suppression)Image
Here's the response to exercise Image
The most sensitive and accurate biomarker to date Image
Read 5 tweets
Apr 5
A major @Nature paper this week found a significant decline in dementia after an outdated Shingles vaccine.
I've reviewed the study and many other relevant ones in a new Ground Truths (link in profile) Image
A Table from the post Image
The effect in the 2 natural experiments differed substantially by sex with the benefit predominant in women Image
Read 5 tweets
Apr 2
The vaccine against Shingles helps protect against dementia, results of a natural experiment, adding to prior evidence
"implications are profound"
New @Nature
nature.com/articles/s4158…
nature.com/articles/d4158…
Accompanying @NatureNV nature.com/articles/d4158…
Read 4 tweets
Mar 24
Of >105,000 participants with 30-year follow-up, only 9.3% achieved healthy aging (age 70, w/o any chronic diseases). Their diet was significantly associated with this outcome🧵 @NatureMedicine Image
These are the specific foods that were linked with healthy aging and other outcomes. Green-favorable; Red-unfavorable Image
Adherence to these diets (most to least in quintiles) linked to healthy aging Image
Read 4 tweets
Feb 3
A paper on microplastics accumulating in the brain was just published @NatureMedicine, open-access
I review the background and major implications in a new Ground Truths edition (link in my profile)nature.com/articles/s4159…Image
Image
The human brain:
—had 7-30 times more accumulation of microparticles (MPs) than the liver or kidney (organs with previously documented high propensity)
—from people with dementia had 5X accumulation of MPs compared with non-dementia
—there was a marked increase of accumulation over recent years
Read 4 tweets
Dec 31, 2024
Three new @NEJM reports on #H5N1 today
1. An overview by @MichaelGIsonMD and @DrJeanneM
"urgent need for vigilant surveillance of emerging mutations and assessment of the threat of human-to-human transmission" Image
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2. Report of the 13-year-old Canadian girl who developed acute respiratory failure. Sequence of her H5N1 revealed 3 mutations that may be linked to higher virulence and adaptation to human cell binding Image
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3. Review of 46 cases of mild H5N1 illness by CDC in 2024 Image
Read 6 tweets

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