【单选题】Your patient says she must travel on businessfor one year to a country after one month where hepatitis A is epidemic. She just read in the newspaper that there are two types of protection against this...
A.
The vaccine containing killed hepatitis A virus is best because it induces the most antibody.
B.
The vaccine containing killed hepatitis A virus is best because it provides the most long-lived immunity.
C.
The serum globulin preparation containing antibodies against the virus is best because it provides immunity in the shortest time.
D.
The serum globulin preparation containing antibodies against the virus is best because it provides the most long-lived immunity.