4. 出國旅遊最常發生的疾病之一為Traveller's diarrhea,下列何者是造成Traveller's diarrhea最常見的致病菌?
(A)Toxigenic E. coli
(B)Salmonella
(C)Shigella
(D)Rotavirus
(E)Norwalk agent
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統計: A(19), B(3), C(0), D(0), E(2) #2154856
統計: A(19), B(3), C(0), D(0), E(2) #2154856