Nsikan Akpan, PhD Profile picture
Oct 2, 2020 11 tweets 6 min read Read on X
Things to know about President Trump's coronavirus diagnosis, based on COVID-19 research to date.

1. When did Hope Hicks catch the virus?

Likely unknowable, but her symptoms offer some clues on the timing...
Hicks reportedly developed symptoms Wednesday evening (left, via @AP). apnews.com/article/virus-…

COVID's incubation period—how long symptoms take to appear after exposure—ranges from 1-14 days, though most develop signs after 4-6 days. (📊: @ConversationUK)
theconversation.com/how-long-are-y…
Takeaway 1: Hope Hicks may have caught COVID-19 anytime between Sept. 16-29, but it was most likely last Thursday thru Saturday (Sept. 24-26).
2. Why did Hicks test+ before President Trump?

The WH hasn't released its COVID-19 protocol, but details appear in news reports.

Aides/anyone close to POTUS are tested every day (AP story ⬆️).

But Trump has publicly said he isn't (@politico, July 21)
politico.com/news/2020/07/2…
That seems to be the case, given Trump/Melania weren't tested UNTIL AFTER Hicks was positive.

Alternatively, if Trump is tested every day too, then his viral load simply took longer to develop/become detectable.

Takeaway: WH was more likely to catch Hicks's case before Trump's.
3. Did President Trump catch COVID-19 from Hicks?

Unclear for a few reasons, but again her symptom onset offers clues.

COVID's most infectious period begins 1-3 days before symptoms arise. (📊: @ConversationUK) theconversation.com/how-long-are-y…
Scenario 1. So it's possible that Hicks was infectious by Sunday (Sept. 27), passed it to Pres. Trump early this week, and his viral load increased in time to test positive on Thursday.
OR

Scenario 2: Trump and Hicks were both exposed around the same time by a third person, but Hicks's case was symptomatic and Trump's was asymptomatic.

The viral loads for asymptomatic and symptomatic cases follow a similar progression early on. ecdc.europa.eu/en/covid-19/la…
OR

Scenario 3: Trump/Hicks were exposed around the same time by completely different people

Given POTUS and his cadre don't wear masks, don't social distance, and still shake hands in public despite high prevalence of asymptomatics...good luck with contact tracing the source.
Takeaway 3: Hicks was potentially infectious starting Sunday (Sept. 27). But she didn't necessarily give it to President Trump, and they could have caught it independently.

Given the White House's disregard for its own public health guidance, finding the source could be tricky.

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More from @MoNscience

Jun 10, 2023
NYC officials expected a modest smoke plume to sweep through the area Friday night -- and it did. gothamist.com/news/modest-sm…
Thankfully, the rain helped dampen things, but the city still recorded a moderate bump in AQI around 10 pm.
gothamist.com/news/modest-sm… Image
Yesterday's smoke forecast from NOAA predicted another plume could flow through early Sunday morning (video below).

I checked again this morning that forecast is still holding steady.
gothamist.com/news/modest-sm…
Read 5 tweets
Jan 2, 2022
A Lancet preprint looks at omicron's severity in its early epicenter, Gauteng, South Africa

Many are discussing the overall result: This wave experienced much less severe disease than past waves.

But the age breakdowns tell a slightly different story... papers.ssrn.com/sol3/papers.cf…
Cases: In past waves, people younger than 39 (blue) made up ~50% of cases.

With omicron, they accounted for 67% in this study.

We know that young adults fare better than older ones with COVID, which could be lowering overall severity with the latest wave.
Cases: Another way to look at things...

During the delta wave, young adults (20-39) had a case rate (blue) that was half the rate for seniors older than 60 (red).

During omicron, it flipped. The young adult case rate is now 56% higher.
Read 9 tweets
Dec 20, 2021
Welp, that escalated quickly.

Omicron now makes up 92% of sequenced cases in the New York and New Jersey region, based on the latest data from the CDC. That's up from the 13% reported last week.

Nationally, omicron is 73%, up from 12% reported last week.
covid.cdc.gov/covid-data-tra…
Some important context for this rapid rise:

1. I mentioned to @Steronious on @WNYC this weekend that we might eventually learn that omicron arrived here well before its first detection, based on evidence from overseas... wnyc.org/story/gov-hoch…
I am now wondering if this increase is partially due to increased efforts to find omicron cases. The variant is undoubtedly spreading 2-3x faster than delta...but damn, what a jump!

No matter what is ultimately revealed, we need more resources for genomic surveillance.
Read 11 tweets
Dec 19, 2021
NY reported another 21,908 COVID positives on Saturday — breaking a record for the 2nd day in a row.

But these milestones don't mean the state has reached its worst peak. Far from it...and some signs point to improvement.

Me for @WNYC/@Gothamist
gothamist.com/news/ny-breaks…
Indeed, the U.S. COVID outbreak could be transitioning into an endemic — where the coronavirus would continue to thrive in perpetuity, but vaccinated people would be largely spared the worst outcomes.
gothamist.com/news/ny-breaks…
A COVID endemic would mean riding this rollercoaster of infection waves every few months or perhaps just every winter, and it could be brutal for unvaccinated people.

But it would be eased by better access to testing/masks/ventilation... gothamist.com/news/ny-breaks…
Read 4 tweets
Oct 13, 2021
If You’ve Had Covid, Do You Need the Vaccine? ✍️: ⁦@apoorva_nyc

Spoiler: Yep nytimes.com/2021/10/12/hea…
“Some consistent patterns have emerged: Two doses of an mRNA vaccine produce more antibodies, and more reliably, than an infection with the coronavirus does.”

nytimes.com/2021/10/12/hea…
“Only 85 percent to 90 percent of people who test positive for the virus and recover have detectable antibodies to begin with. The strength and durability of the response is variable.”
nytimes.com/2021/10/12/hea…
Read 4 tweets
Sep 3, 2021
Today @NYCMayor de Blasio told @BrianLehrer that @WNYC/@Gothamist's recent series on ventilation in @NYCSchools is inaccurate

He should read our latest:

NYC Officials Say School Windows Can Always Offer Solid Ventilation. Independent Scientists Disagree
gothamist.com/news/nyc-offic…
And as a fun exercise in science media literacy, let's break down the Mayor's response...
Two weeks ago, Brian Lehrer asked @NYCMayor/@BilldeBlasio whether he had heard that the air purifiers @NYCSchools had purchased for every classroom in the city lacked HEPA filters, an industry standard.

The mayor said he'd look into it.
wnyc.org/story/ask-mayo… Image
Read 15 tweets

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