40.鼠疫疫苗屬於下列何種疫苗?
(A)不活化(inactivated)
(B)類毒素(toxoid)
(C)次單位(subunit)
(D)活性減毒(live attenuated)
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統計: A(2), B(0), C(0), D(1), E(0) #3975579
統計: A(2), B(0), C(0), D(1), E(0) #3975579