Viruses & Vaccines: How Do Vaccines Work?: Crash Course Biology 39

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.


Introduction: Discovering Viruses 00:00
What We Have in Common With Viruses 1:24
Evolutionary Theories of Viruses 2:49
Hosts & Infection 3:55
Retroviruses 6:49
Vaccines 8:11
Dr. Quarraisha Abdool Karim & Antivirals 9:41
Review & Credits 11:39

This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information.

Are you an educator looking for what NGSS Standards are covered in this episode? Check out our Educator Standards Database for Biology here: https://www.thecrashcourse.com/biolog...

Check out our Biology playlist here:    • Biology  

Watch this series in Spanish on our Crash Course en Español channel here:    • Crash Course Biología  

Sources: https://docs.google.com/document/d/1G...

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