Why Vaccines Work

The video discusses the history of scurvy and the discovery of Vitamin C's role in its prevention. It highlights the success of vaccines in eradicating diseases like polio and the importance of maintaining high vaccination rates to prevent the resurgence of diseases like measles. The immune system's function and the concept of herd immunity are explained. The video also addresses vaccine hesitancy, its historical roots, and the minimal risks associated with vaccines, emphasizing the altruistic nature of vaccination.

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