For the Successful Development of a Vaccine to Be Used

question 37

Multiple Choice

For the successful development of a vaccine to be used against a pathogen,it is necessary that

• A)the surface antigens of the pathogen do not change.
• B)a rearrangement of the B cell receptor antibodies takes place.
• C)all of the surface antigens on the pathogen be identified.
• D)the pathogen has only one epitope.
• E)the MHC molecules are heterozygous.