E is for Epi

E is for Epi

Home
Autism
Vaccines
Public Health
Epi Methods
Podcast
Archive
About

vaccines

Here's what life before vaccines was really like
The morning of August 2nd 1852 promised a lovely summer’s day in London. But not for 8 year old George Williams.
 • Ellie Murray, ScD
How We Decide if COVID Boosters Work: The Test-Negative Design
If you watched, or read about, last week’s ACIP meeting, you might have heard CDC scientists talking about the “test-negative design” as a tool for…
 • Ellie Murray, ScD
R.I.P. vaccines. And R.I.P. our children too.
This week marks two fundamental turning points in the history of vaccines from which I suspect the world will take decades to recover.
 • Ellie Murray, ScD
The Purge: First the Experts, Next the Vaccines?
RFK Jr has fired all 17 members of the Advisory Committee on Immunization Practices (ACIP).
 • Ellie Murray, ScD
'Are COVID vaccines safe?'... Compared to What?
Ask the wrong question, get the wrong answer.
 • Ellie Murray, ScD
Scientists Say 'Vaccines Work' but How??
Welcome to the second installment of How Vaccines Work. Last time, I wrote about the different ways epidemiologists describe and measure the effects of…
 • Ellie Murray, ScD
The hidden cost of retesting vaccines
A reader asked me a question I get semi-regularly about vaccine skeptics:
 • Ellie Murray, ScD
CDC website implies childhood vaccine was never tested. That's misleading.
Anti-vaccine propagandists keep claiming that we need to do new placebo-controlled trials on all our vaccines because these, they say, have never been…
 • Ellie Murray, ScD
Scientists say vaccines work but what does that mean?
Vaccines are one of the most amazing pharmaceutical tools human-kind have ever invented.
 • Ellie Murray, ScD
First, do no harm. Second, withhold no benefit.
The when and why of placebos in vaccine trials.
 • Ellie Murray, ScD
FACT CHECK: Is autism really skyrocketing?
This weekend, a viral post on X claimed to show proof that rising autism rates are caused by increasing vaccine burden.
 • Ellie Murray, ScD
RFK Jr is promoting a new study claiming "vaccines cause autism" but it doesn't add up. Literally.
This paper is so badly done. Let's read it together!
 • Ellie Murray, ScD
© 2026 Dr Ellie Murray, ScD · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture