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Robert Koch isolates the specific bacterium causing tuberculosis, instantly tran
Featured Event 1882 Event

March 24

Koch Identifies TB: A Medical Milestone Achieved

Robert Koch isolates the specific bacterium causing tuberculosis, instantly transforming a mysterious wasting disease into a targetable pathogen. This breakthrough launches the era of germ theory in medicine, enabling scientists to develop diagnostic tests and eventually vaccines that have saved millions of lives.

March 24, 1882

144 years ago

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