It contains over 2,600 known serotypes , all part of the family Enterobacteriaceae .

Salmonella enterica (responsible for virtually all human illness) and Salmonella bongori .

Subspecies Salmonella enterica (also known as subspecies I ). Another dozen or so salmonella strains are also common in human outbreaks of salmonella.

Ironically, he was a veterinarian— not the scientist who discovered the bacterium.

He isolated it in 1885, but Salmon got the naming credit.

This means it has a thin peptidoglycan layer and a protective outer membrane.

Most serotypes are motile, using whip-like flagella to move toward nutrients.

A facultative anaerobe capable of thriving in oxygen-rich and oxygen-poor environments.

Birds, reptiles, mammals—even insects can carry it.

Chickens, turkeys, and eggs

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