A vaccine to provide active immunity to HBV is prepared from
A) viruses grown in tissue culture.
B) genetically modified yeast.
C) pooled gamma globulin.
D) viruses grown in embryonated eggs.
E) viral particles in patients
Answer: genetically modified yeast
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.