Everything you need to know about Pfizer's COVID-19 vaccine - a podcast by CBC Podcasts

This week, as COVID-19 cases continue to climb across the country, there is a glimmer of hope for returning to normal life: a vaccine.
Pharmaceutical companies Pfizer and BioNTech say that results from a Phase 3 study of their vaccine candidate look promising and that immunity could last a year.
Today, we hear from CBC science and technology reporter Emily Chung on what we know about the Pfizer-BioNTech vaccine that early results suggest is 90 per cent effective in preventing COVID-19.

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