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November 1, 2025
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feb 25, 1892 - Pfeiffer's bacterium

Description:

Dr Richard Pfeiffer, in hopes of finding the cause of influenza, discovered a bacterium in the throats of those who had been infected. It was later found to not actually be the cause of influenza

Added to timeline:

Date:

feb 25, 1892
Now
~ 133 years ago