Bệnh do Thực phẩmCâu 13 / 320
Salmonella Typhi (which causes typhoid fever) differs from nontyphoidal Salmonella mainly because it:
a.Is destroyed by refrigeration
b.Only affects animals, never humans
c.Is not one of the Big 6 pathogens
d.Lives only in humans and is spread by infected food handlers
Giải thích
Salmonella Typhi lives only in humans and is spread when an infected food handler contaminates food, often via ready-to-eat items and beverages. It is one of the Big 6. Refrigeration does not destroy it, and it clearly affects humans, causing typhoid fever.
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