Posted: July 25th, 2017

In the Haemophilus influenzae type b vaccine, the bacterial capsular polysaccharide is conjugated to a carrier protein to improve immunogenicity in children. Which of the following cells become activated following contact with peptides processed from this vaccine in the context of MHC type II proteins?

In the Haemophilus influenzae type b vaccine,
the bacterial capsular polysaccharide is
conjugated to a carrier protein to improve
immunogenicity in children. Which of the
following cells become activated following
contact with peptides processed from this
vaccine in the context of MHC type II proteins?
(A) B lymphocytes
(B) Macrophages
(C) Natural killer cells
(D) Plasma cells
(E) T lymphocytes