A person is injected with gammaglobulin against hepatitis B. It is
A.Artificially acquires passive immunity
B.Artificially acquires active immunity
C.Naturally acquires active immunity
D.Naturally acquires passive immunity
Answer:A
A person is injected with gammaglobulin against hepatitis B. It is
A.Artificially acquires passive immunity B.Artificially acquires active immunity C.Naturally acquires active immunity D.Naturally acquires passive immunity