What is a brief history of salmonella

Salmonella infections have been present in America since at least the early 1600s. Scholars studying the history of Jamestown in Virginia believe that a typhoid fever was responsible for deaths of over 6000 settlers between 1607 and 1624. Typhoid fever was the major killer in the Spanish-American war of 1898 as well.

Explanation:

its a bacteria that causes typhoid through contaminated food or drink

Explanation:

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the growth of the plants is affected by the heat of the light. what is the student doing?