Infectious Diseases Physician and Epidemiologist. Professor of Population and Public Health. Opinions my own.

Joined January 2014
David Patrick retweeted
It takes one bad study to create a scientific myth. And decades of good science to try to kill it. Let me tell you about two papers that changed the way millions of people think about science. 🧵1/
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Vaccines save lives. Doctors know it. Scientists know it. Decades of research has proven it. And millions more children are alive and healthy as a result. When public health guidance strays from scientific evidence, it creates confusion, erodes trust in life-saving innovations, and makes it harder for families to access the care they need. We should never let politics stand in the way of medical care. Especially when it comes to our kids.
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David Patrick retweeted
Hear me out. Instead of expecting 8 billion people to become experts from watching YouTube videos on every new infectious disease that emerges, what if we relied on people who study infectious diseases for a living? We could even organize them into public health agencies that track outbreaks, analyze the evidence, forecast emerging risks, and translate complex science into clear, practical advice for everyone else.
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David Patrick retweeted
a standing ovation for daraxonrasib at asco. over 40k oncologists, entrepreneurs, investors, and patient advocates together celebrating revmed's breakthru in the fight against pancreatic cancer. u never forget these moments. it's what innovation is all about.
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David Patrick retweeted
PM Carney on the Americans calling the alcohol ban an irritant: "You know what's an irritant? 50% tariffs on steel. 50% tariffs on aluminum. 25% tariffs on automobiles. All the tariffs on forest products. Those are more than irritants, those are violations of our trade deal."
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David Patrick retweeted
Pancreatic cancer mRNA vaccine shows lasting results in an early trial. Scientists caution that more research is needed, but nearly all of the patients who responded to the personalized vaccine are still alive six years later. nbcnews.com/health/cancer/pa…
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David Patrick retweeted
JD Vance is lecturing the Pope on Catholicism and Pierre Poilievre is lecturing Mark Carney on economics and RFK Jr is lecturing scientists about vaccines and Donald Trump is lecturing the world on tariffs and Pete Hegseth is quoting Pulp Fiction and thinking it’s the Bible
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These astronauts are just a balm: impossibly cheery, down to earth, committed, decent. They are clearly extraordinary people, and yet reassuringly normal. At a time when the news is dominated by people who are either cruel or corrupt or insane or incompetent or all of the above, they remind us not all is lost.
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The U.S. has a Buy American Act baked into law… but Canadians buying Canadian products is “unfair”? You don’t get to write the rules and cry when we play the same game. 🇨🇦 Buy Canadian first.
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David Patrick retweeted
STUNNING🚨: Artemis II crew captured a stunning image of Earth this morning from 41,000 miles away. The first time since 1972 that humans have seen a crescent Earth in full.
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David Patrick retweeted
You know what HASN'T been tested in randomised, placebo controlled trials? All those supplements they try and sell you
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David Patrick retweeted
Approved.
Trump: You don’t have the cards Zelenskyy: I’m playing chess ♟️
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UBC has ranked in the top 30 among the world's top universities across all five broad subject areas of the QS World University Rankings by Subject 2026: 18th in Social Sciences & Management 22nd (tied) in Natural Sciences 23rd in Arts & Humanities 25th in Life Sciences & Medicine 29th (tied) in Engineering & Technology Learn more: bit.ly/4iq7SXw
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David Patrick retweeted
Hear, hear !
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Four years ago today, in just a few hours, I will wake to the sound of explosions. My boss will call, telling me to report to my post. I remember standing by the window, finishing a cup of coffee in the dark. I hadn’t checked the news yet, but I didn’t need to. I could feel it in the air, an invisible fracture. The life I knew was already gone, it just hadn’t vanished completely yet. I hurried to the bus stop, hoping to reach the metro faster. Even at that hour, a few elderly women were already there, settled into their usual routines. We all boarded the bus together. They looked out at the chaos growing in the streets, then turned to me with confused, searching eyes. “Why is everyone rushing?” they asked. “What is happening?” I looked away, staring through the glass at the stream of cars surging past us, fleeing in an unknown direction. I didn’t know how to tell them. I didn’t know if there were even words for a moment like this. Finally, I turned back to face them. My voice was steady and calm. “I’m so sorry,” I said quietly. “The war has begun.” The bus kept moving, carrying us all away from a life we would never know again…
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David Patrick retweeted
Cartoon
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David Patrick retweeted
It’s time to stop calling it misinformation and call it what it really is: propaganda designed to destabilize confidence in evidence-based decision-making. The tactic isn’t to win the argument - it is to make the public doubt whether arguments can be settled by evidence at all.
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You can ignore the science, but you can't ignore the consequences of ignoring the science.
Wow, this chart is simply unreal. How is this even possible in a developed country in the twenty-first century?
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David Patrick retweeted
A useful tool in any discussion is to ask one question: What evidence would change your mind? If the answer is “none,” it’s a signal to pause. At that point, the exchange is no longer about evaluating evidence, but about reinforcing a fixed belief. When no observation could ever change a position, you’re not debating facts - you’re engaging with a belief system.
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