White Coat, Black Art·The Dose

What does all this COVID math mean, and how will it affect my life this fall?

The number of new COVID-19 cases has been rising in several parts of Canada and health experts are worried. But what do these daily and weekly totals really mean? What's a "reproduction number?" Dr. David Fisman explains the math and how our actions can change the numbers.

Epidemiologist Dr. David Fisman walks us through it on the season premiere of The Dose

Health experts are worried about rising numbers of COVID-19 cases in many parts of Canada as we enter the fall. (Evan Mitsui/CBC)

Welcome to a new season of The Dose!

The number of new COVID-19 cases has been rising in several parts of Canada and health experts are worried. But what do these daily and weekly totals really mean? What's a "reproduction number" and why is it important?

Epidemiologist Dr. David Fisman, one of Canada's top experts on the mathematics of infectious disease, joins host Dr. Brian Goldman to explain what these numbers say about how COVID-19 will affect our lives this fall. The math shows that the coming months of the pandemic will be tough — but our actions can change the numbers. 

How to listen 

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Look out for the logo on your favourite podcast app. (Ben Shannon/CBC)

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