What do I need to know about the new COVID variants?

What do I need to know about the new COVID va...

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The Dose Summer Special 2026: Beyond the Hype

The Dose is currently on a summer break, but we wanted to feature some of our favourite shows while we’re away. This week, we've put together two episodes where we explore the science behind two popular wellness trends, including: What's the real evidence on injectable peptides a ...  Show more

The Dose Summer Special 2026: Figuring Out Food

This week, we’re revisiting two episodes that tackle big questions about weight management and nutrition: How healthy is eating one meal a day? And, how should you adapt your diet while taking GLP-1 drugs? We explore what the evidence says about these popular approaches and what ...  Show more

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When the Virus Mutates
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New variants of the coronavirus are circulating around the globe and causing some concern among experts. One in particular, variant B.1.1.7, has been found to more easily spread from one person to another.  This new variant has already been identified in several states in the US. ...  Show more

Vaccine hesitancy, the next pandemic hurdle
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As the Pfizer-BioNTech vaccine rolls out across the country, and other vaccines await imminent regulatory approval, many public health experts are focusing on the issue of vaccine hesitancy. Canada's Chief Public Health Officer Dr. Theresa Tam has spoken out about the "moveable m ...  Show more

90 COVID-19 and the novel coronavirus
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Join Dan McCollum as he discusses COVID-19, the disease caused by the novel coronavirus. What are the symptoms of this disease? How is it spread? What personal protective equipment is needed? What are key elements of the history and physical exam? Are there any treatments that he ...  Show more

The Race Between Variants and Vaccines
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How worried should we be about these new virus variants? CNN’s Chief Medical Correspondent Dr. Sanjay Gupta explains how variants arise, why they’re a threat, and which ones are most common in the U.S. right now. To learn more about how CNN protects listener privacy, visit cnn.co ...  Show more