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Available Formats Crash Course Biology Secure Scanned : 06/26/2024 Download HD
Episode

Crash Course Biology - Season 2 Episode 39 How Do Vaccines Work?: Viruses & Vaccines

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From the flu to COVID-19, viruses are a major threat in our everyday lives. In today’s episode of Crash Course Biology, we’ll learn why viruses are like genes in a box, and how they invade and spread between cells. We’ll also discover how vaccines and medicines help our bodies fight back.
Episode : 81 Episode
Season : 2 Season
Runtime: 15:14 minutes
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