40.Neisseria meningitidis屬於下列何種生物安全等級(Biosafety Level, BSL)?
(A)BSL-1
(B)BSL-2
(C)BSL-3
(D)BSL-4
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統計: A(14), B(877), C(299), D(12), E(0) #670603
統計: A(14), B(877), C(299), D(12), E(0) #670603