58.MMRV疫苗中的V,指的是下列何者?
(A)vaccinia virus
(B)varicella-zoster virus
(C)variola virus
(D)Venezeulan equine encephalitis virus
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統計: A(378), B(2202), C(175), D(61), E(0) #2181512
統計: A(378), B(2202), C(175), D(61), E(0) #2181512