David Fisman (@DFisman) header
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Physician-epidemiologist, inactive account

Toronto, Canada
Joined February 2019
Photo by David Fisman (@DFisman)Photo by David Fisman (@DFisman)Photo by David Fisman (@DFisman)Photo by David Fisman (@DFisman)
We were somewhere around Barstow on the edge of the desert when the drugs began to take hold. I remember saying something like "I feel a bit lightheaded; maybe you should drive...."
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Metaphor alert
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Carney disappoints The moment needs an FDR We got Monopoly Man @MarkJCarney
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Poor thing Who among us
In memory of Lauren Boebert’s last day in Congress, enjoy this video of her ripping a vape, giving her date a hand job, and being kicked out of a theater.
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Shingles vax also reduces your risk of dementia Yeah. Vaccines are incredible. We are so lucky to live in the second golden age of vaccines. But they don’t work if we don’t use them
Replying to @joancooke5
Do not not not not get shingles. The most minor case will cost you six weeks of exhaustion. The worst reaction to the two stage vax is like a mild flu
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You know it’s a done deal when they’re saying it out loud.
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Completely unnecessary Completely predictable
RFK Jr's MAHA legacy A very measly America
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New paper out in Lancet Regional Health Americas, with Alicia Grima, Natalie Wilson, Simran Mann, Ashleigh Tuite and Clara Lee. How many Ontario deaths are attributable to respiratory viruses, and how does SARS-CoV-2 compare to flu? 🧵 doi.org/10.1016/j.lana.2026.…
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Death certificates undercount viral deaths. Flu kills people through heart attacks, strokes and secondary bacterial infections that never get coded as flu. So we used 30+ years of monthly all-cause deaths (1993-2025) for Ontario and asked how mortality moves when each virus circulates.
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