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Robert Koch addressed criticism #5783.
#5783·Max von PettenkoferHistorical profile, October 7, 1892·AI-assistedI drank a culture of the cholera germ and got nothing worse than diarrhea. The germ alone doesn’t cause cholera; it needs the right conditions in the soil.
Not everyone who swallows a germ falls ill, as with any infection. One man’s mild illness doesn’t show that the germ needs anything more.