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Lots of new stuff on masks 😷😷
1. Evaluation of 14 different masks for filtering droplets during speech @ScienceAdvances advances.sciencemag.org/content/early/…
washingtonpost.com/lifestyle/well… neck gaiter worse than nothing!
@_allysonchiu
2. Evaluation of 29 fitted face masks, N95s and alternatives @JAMAInternalMed
jamanetwork.com/journals/jamai…
3. Editorial on the paper and N95 vs surgical masks
jamanetwork.com/journals/jamai… by @CaitlinDugdale @RWalensky
4. Making masks more hydrophilic to be more protective
eurekalert.org/pub_releases/2… paper not posted yet, but link provided and past due
How could a neck gaiter or a bandana be worse than no mask? And what about the N95 with a valve?
This video is helpful to see their methodology for assessing the different masks washingtonpost.com/lifestyle/well…
(it's just one way and there are many different methods and tests/papers out there now). I don't know if masks have *ever* been so intensively studied.
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Eric Topol
@EricTopol
Two months ago, I summarized the status of people w/ #SARSCoV2 infections who don't manifest symptoms (asymptomatics) vs presymptomatics

With so much more we've learned since, it's time for an update
They are a big part the unascertained cases 1/x
A new feature in @washingtonpost @PostHealthSci washingtonpost.com/health/2020/08… by @arianaeunjung delved into this topic and their potential impact on why we may be seeing some improvement in the US 2/x
It was a kick to see our Table from the @AnnalsofIM review (16 cohorts) show up in that piece with one added cohort (@TysonFoods)
acpjournals.org/doi/10.7326/M2…
@ScrippsRTI @danieloran @scrippsresearch 3/x
Read 16 tweets
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Eric Topol
@EricTopol
Here's how New Zealand eliminated #COVID19
new @NEJM nejm.org/doi/full/10.10…
The pandemic only lasted 103 in New Zealand and it has now gone 100 days since without a single new case.
This paragraph is the key.
Science-based
Empathic leadership
United
Public Confidence
Adherence to burdensome-control measures
New Zealand is not alone in achieving elimination.
In this new @TheLancetInfDis essay, @anitah2 and Raina Macintyre discuss the prospects and whether it is possible more broadly
thelancet.com/journals/lanin… @sphcmunsw
Read 4 tweets
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Eric Topol
@EricTopol
I need to change the title of this piece from "Fast, Cheap [#COVID19] Tests Could Enable Safer Reopening"
Δ "Could" -> *Will*
science.sciencemag.org/content/369/65… @ScienceMagazine by @RobertFService
We need these now. For every household. It's the exit strategy from hibernation.
My table with some added info. Move from "infection" to "infectious". The latter is what we really need to know.
This requires validation and the @US_FDA needs to adopt a new standard, not PCR. Should have been completed months ago.
As emphasized in the text, the key besides speed is *frequency* of testing; multiple papers on that reviewed here.
I think the best is @DanLarremore's medrxiv.org/content/10.110…
Read 5 tweets

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