Dr Ellie Murray, ScD
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epiellie.bsky.social
Dr Ellie Murray, ScD
@epiellie.bsky.social
Epidemiologist and science communicator | newsletter: epiellie.substack.com | cohost @casualinfer podcast | Causal inference for public health #epitwitter | Canadian in US 🇨🇦 | she/her/Dr
Even real trials have an ideal target trial
October 4, 2025 at 1:35 PM
Guess who cracked the top 100 science newsletters in substack! Thanks to everyone who has subscribed!

And if you havent, and dont want FOMO here’s the link: epiellie.substack.com
September 30, 2025 at 6:53 PM
Just wait until we get to immortal time bias!
September 10, 2025 at 6:38 PM
The original post of this on twitter👇🏼. People keep going viral (there, here, & elsewhere) with screenshots of it so I figured l should pop it over here on bsky
September 8, 2025 at 5:02 PM
I just started reading this book👇🏼, Taming Manhattan, and the first chapter is all about the history of regulating dog (and hog) ownership in the city. You might enjoy it!
September 8, 2025 at 4:48 PM
Have you read Jess Calarco’s Holding it Together? I think you would find it very validating
September 4, 2025 at 1:34 PM
Many specifically do make medical claims and are nevertheless currently unregulated though.

A sample of search results for “therapy chatbot” on google👇🏼
August 20, 2025 at 2:03 PM
Nate Silver thinks academic journals are a lost cause.

But they aren't. If anything, the real problem is that these journals are *too* profitable.

Which means no one bothers to dream up other ideas, only variations on the theme.
🧵
August 17, 2025 at 5:51 PM
Looking for some summer reading to help you get through the dog days? Look no further than @jessicacalarco.com's excellent book: Holding it Together.

My reflections and why I think everyone should read this book in my newsletter here: open.substack.com/pub/epiellie...
July 30, 2025 at 4:29 PM
July 30, 2025 at 3:06 AM
July 30, 2025 at 3:02 AM
📣Epidemiologists📣

The ever-amazing Nadia Abuelezam and
‪@jessieish.bsky.social‬ are doing a study on what solidarity means to epidemiologists and how it factors into their epi practice.

If you have 10 minutes to spare, and are based in the US, check out their survey at tinyurl.com/solidarityepi
July 23, 2025 at 4:01 PM
Just finished reading @jessicacalarco.com’s Holding it Together and wow! Highly recommend!

Jess is such a good writer! And I love how she manages to make this book both a general audience read *and* an evidence-based scientific work. A++
July 19, 2025 at 3:11 PM
its crime tho….
July 17, 2025 at 12:58 PM
A cool new paper from researchers @harvardepi.bsky.social uses a type of signal processing analysis to examine COVID waves and their findings confirm what I have long suspected about the seasonality.
June 30, 2025 at 2:07 PM
My hot take on Jeff Bezos' wedding: That $50 million price tag is double what the US government was spending annually on food and medicine for 5 million AIDS orphans before the Trump administration canceled it.

We are literally letting orphans die rather than make this guy pay taxes.
June 29, 2025 at 7:19 PM
As we watch the government build large camps to round up “illegals” based on nothing more than their ethnicity, I highly recommend reading about the experiences of Japanese immigrants in North America.

A book I just read & can recommend is Mary Kitagawa: A Nikkei Canadian Life by Karen M Inouye.
June 28, 2025 at 4:09 PM
Major reversal from MAHA.

They've been saying vaccines are "untested" because some evidence comes from real world data. Now, they're saying real world evidence shows "incredible promise".

Which is it?
June 8, 2025 at 4:03 PM
When they want to talk about obesity rates, they don’t use publicly available US government data. Instead, they show a WHO graph of all G7 countries.

The plot is fine, I guess, but it confuses their message. And it doesn’t even show the increase they are trying to highlight.
June 7, 2025 at 4:19 PM
Instead of the freely available plot of childhood disease *rates*, they show a random graph of healthcare *costs* from the internet.

There aren't even children's healthcare costs. It makes no sense.
June 7, 2025 at 4:19 PM
At one point, they want to talk about increasing rates of childhood chronic disease. The government collects this data annually. It is publicly available.

For some mind-boggling reason, they chose not to use it.
June 7, 2025 at 4:19 PM
Having read the full MAHA report, what stands out the most to me, as an epidemiologist, is how inexplicably sloppy it is.

The US government collects data on every health condition you can think of, and the report doesn’t use any of it.
June 7, 2025 at 4:19 PM
RFK Jr and his MAHA Report say modern society is making kids sick. But how many of kids are only sick because they're also still alive?

And with RFK Jr working to undermine decades of progress in child mortality, will they call it a win if higher death rates mean chronic disease rates drop?
June 6, 2025 at 7:03 PM
The most "alarming" thing about the increase in childhood chronic disease the MAHA Report cites is that it isn't actually alarming.
June 4, 2025 at 10:57 PM
If you like epidemiology, public health, data science, causal inference, or the occasional anti-antivaxxer snark, you'll love E is for Epi.

Sign up at epiellie.substack.com
May 31, 2025 at 2:50 PM