2 Season
81 Episode
Crash Course Biology - Season 2 Episode 39 How Do Vaccines Work?: Viruses & Vaccines (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.
- Country : United States of America
- Genre : Documentary
- Studio : YouTube
- Director :
- Cast : Samuel Ramsey
