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Louis Pasteur developed germ theory in the 1860s – True

Question asked:

“Louis Pasteur was a French scientist who developed germ theory in the 1860s.”
True
Confidence: High Checked on October 3, 2026

Summary

Louis Pasteur was indeed a French scientist. He formulated and published the germ theory of disease during the 1860s, with key work appearing in 1861 and further development through 1867‑1868. This aligns with historical accounts of his contributions to microbiology.

Sources 59 searched

sciencedirect.com
pmc.ncbi.nlm.nih.gov
ncbi.nlm.nih.gov
bbc.co.uk
curiosity.lib.harvard.edu
  • Germ Theory | Contagion - CURIOSity Digital Exhibits

    Louis Pasteur’s wealth of ... include disproving spontaneous generation, showing how heat could kill microbes (“pasteurization” was first used in the French wine industry), and developing the first laboratory vaccines, most famously ...

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