How Studying Bacteria Almost Kept Us From Discovering the Flu

The video explores the evolution of understanding disease causes, from ancient beliefs in humors to the identification of microbes as pathogens. It highlights Robert Koch's postulates, a framework for linking pathogens to diseases, and discusses their limitations, especially with non-bacterial pathogens like viruses. Historical misidentifications, such as influenza being attributed to bacteria, are examined. The video concludes with modern adaptations of Koch's postulates using genetic sequencing, allowing for more accurate identification of disease-causing agents.

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