Crash Course Biology

How Do Vaccines Work?: Viruses & Vaccines (2x39)

Air date: Apr 16, 2024

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.