食源性疾病第 39 / 500 题52% 的考生做错了这道题

Cyclospora and Giardia are examples of which type of foodborne biological hazard?

a.Parasites
b.Bacteria
c.Mycotoxins
d.Allergens

解析

Cyclospora and Giardia are parasites: single-celled organisms that need a host and spread mainly through contaminated water or produce irrigated or washed with it, so approved suppliers and safe water are the controls. They are not bacteria, which multiply on their own in the food; not mycotoxins, which are poisons made by molds; and not allergens, which are proteins that trigger an immune reaction rather than an infection.

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