Ranu Dhillon Profile picture
Sep 14, 2020 5 tweets 3 min read Read on X
1/ A hang-up on rapid tests that I've heard is that it'll be difficult for health depts to track results

Decentralized screening makes that difficult but stopping spread should be the overwhelming priority; monitoring indirectly helps stop spread but is a secondary consideration
2/ We shouldn't hold up something that can stop transmission because it will be harder to monitor or collect data on

The current counterfactual is that we're missing most infections anyway & neither stopping onward transmission from them or getting any data on them
3/ What's generally been missing from the rapid testing discussion are counterfactuals

Anyone can point out issues that arise if using them but that is meaningless without considering what is happening w/o them & thoughtfully strategizing on how to address potential downsides
4/ Right now, thousands of people who are infected go undetected & are functionally 'false-negative' anyway

The restrictions we continue to live with also treat all of us as if we were infectious & therefore akin to being 'false-positive'

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More from @RanuDhillon

Dec 15, 2022
The most systemic & sustainable 'solution' to the pandemic is to implement clean indoor air -- eliminate virus from the air enough that risk is always low

A big barrier to this in real life is that there was no guidance on just how clean is clean enough?

jamanetwork.com/journals/jama/…
For years, CDC and ASHRAE, the bodies responsible for putting forward standards, were unwilling to do so

As a result, schools, businesses & other didn't know what to do. Some put one HEPA filter in a room & hoped it was enough (it wasn't)
In this letter, we (@sri_srikrishna @AbraarKaran) push for clear clean air targets &, based on available evidence & guidance, propose 6 air changes per hour (ACH) as a minimum & 12 ACH (which is what hospital isolation rooms have) as the ideal

jamanetwork.com/journals/jama/…
Read 5 tweets
May 9, 2022
Thanks @Bob_Wachter for sharing such a personal situation that allows us all to learn

What strikes me is that so many factors in how you’re navigating this situation are beyond the means & agency of our most vulnerable yet are being thrust on them to manage on their own

(1/6)
The judgements you expertly made are ones that are currently being put on all individuals irrespective of their knowledge & comfort with Covid

Just like we wouldn’t leave it up to individuals to determine what traffic rules to follow, guidance should be clearer

(2/6)
In addition, you & your friends are appropriately doing serial testing to offset onward spread & access Paxloid promptly, something that many families can't afford

I’m @harvardmed & mainly work abroad but, due to family reasons, work clinically in low income areas in CA..

(3/6)
Read 6 tweets
Aug 20, 2021
I've been working in a hospital in a low-income area for the past several nights

From talking with our many unvaccinated Covid patients, there are 2 general responses I've heard as to why they weren't vaccinated...

(1/4)
1) Several people said they knew vaccination was *important* but never perceived it as their *most immediate* need until they got sick

Had we been going door-to-door, eliminating the burden on them to search out & get vaccinated, most felt like they would have gotten it

(2/4)
2) Distrust -- not of vaccines -- but of the formal authority structures from whom they see them pushed

This rational distrust is from decades of injustices & continued negative interactions with these structures that is hard to undo or overcome quickly & amid a crisis

(3/4)
Read 4 tweets
Mar 11, 2021
We've never meaningfully addressed spread in high-risk workplaces despite this likely being a major driver of the pandemic

In communities like mine, workplace spread seeded transmission in crowded multi-gen homes with at-risk elderly & others working in similar settings

(1/6)
Most of our 'standard' strategies -- cloth masks, "stay-at-home", distance -- do nothing to address this cycle of transmission

(2/6)
In my community, anecdotally, hospitalizations from this cycle of spread has only declined with rising vaccinations

It should never take waiting for a vaccine - & allowing thousands to suffer & die in the interim - to stop one of the main drivers of this pandemic

(3/6)
Read 6 tweets
Jan 28, 2021
1/ Just heard @CDCDirector on @CNN @drsanjaygupta push back on the proposal @AbraarKaran @sri_srikrishna & I put forward on the gov't sending N95-caliber masks to every home (cnn.com/videos/health/…)

A quick rebuttal

THREAD
2/ Dr. Walensky's counterpoints to this idea seem to be:

- N95-caliber masks aren't necessary; multi-layer cloth + 6 feet is good enough

- access to masks is not a bottleneck

- N95-caliber masks are hard to wear for long periods
3/ For the 1st point, we know that Covid can spread via aerosols indoors & in crowds

Cloth masks only variably block (~50-70%) & surgical masks up to 80%

People -especially essential workers, those at high-risk- need better protection particularly in poorly ventilated scenarios
Read 9 tweets
Jan 17, 2021
We're deploying vaccines like we do annual flu shots rather than the mass vaccinations done in Africa & Asia where millions are vaccinated in weeks

Years ago, Joe Rhatigan & I studied these campaigns. They offer several lessons that can inform what we need in the US now

THREAD
1/ Be proactive

Instead of passively waiting for people to come get vaccinated, we need to search them out & go to where they are & keep following up until they opt out or are vaccinated

We should be rolling out the vaccine like we do the Census, even going door-to-door
2/ Remove barriers & be redundant

In each community, have multiple ways to get vaccinated including CVS/Walgreens, pop-up sites & near high-throughput places people have to to go like grocery stores

Make some venues 24/7 so people can get vaccinated anytime that works for them
Read 9 tweets

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