Question

marina went to the doctor for stomach pain, diarrhea, and fever. she was diagnosed with food poisoning caused by salmonella. several other students at her school also have gotten food poisoning from the same strain of salmonella.
who will most likely investigate this potential outbreak?
local physicians
local restaurant owners
the national restaurant association
the centers for disease control and prevention (cdc)

Explanation:

当地医生主要负责个体诊疗；当地餐馆老板和全国餐馆协会与疾病防控无直接关联。而疾病控制与预防中心（CDC）的职责是调查和防控疾病爆发，包括食物中毒等公共卫生事件。

Answer:

the Centers for Disease Control and Prevention (CDC)