In 1883, Koch discovered which organism and determined its transmission routes?

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Multiple Choice

In 1883, Koch discovered which organism and determined its transmission routes?

Cholera is tied to a specific microbe, and the test point here is identifying that organism and how the disease spreads. In 1883, Koch linked the disease to Vibrio cholerae and showed that cholera is transmitted through contaminated water, i.e., a fecal-oral transmission route. This work helped confirm a germ-based cause for the illness and underscored the importance of clean water and sanitation in preventing outbreaks. The other organisms listed are associated with different conditions (Escherichia coli with gut flora and some infections, Bacillus anthracis with anthrax, Staphylococcus aureus with skin and other infections), not cholera. Therefore, Vibrio cholerae is the organism and its waterborne transmission route is what Koch demonstrated.

Cholera is tied to a specific microbe, and the test point here is identifying that organism and how the disease spreads. In 1883, Koch linked the disease to Vibrio cholerae and showed that cholera is transmitted through contaminated water, i.e., a fecal-oral transmission route. This work helped confirm a germ-based cause for the illness and underscored the importance of clean water and sanitation in preventing outbreaks. The other organisms listed are associated with different conditions (Escherichia coli with gut flora and some infections, Bacillus anthracis with anthrax, Staphylococcus aureus with skin and other infections), not cholera. Therefore, Vibrio cholerae is the organism and its waterborne transmission route is what Koch demonstrated.

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