Recombinant live attenuated vaccine against hepatitis B was prepared f

1.	Recombinant live attenuated vaccine against hepatitis B was prepared from
A.	Plasma of chronically infected individual
B.	Recombinant yeast expressing hepatitis B surface antigen
C.	Recombinant vaccinia virus expressing hepatitis B surface antigen
D.	Transgenic plants expressing hepatitis B surface antigen
Answer» D. Transgenic plants expressing hepatitis B surface antigen

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Recombinant live attenuated vaccine against hepatitis B was prepared from

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