Lecture 22

1.
What is varialation?
Giving small amount of infectious agent
2.
What is the advantage of a vaccine over natural immune response?
No disease
3.
What cellular responses are needed for successful vaccine?
B and T cell response
4.
What are the types of vaccines?
Whole live, whole killed, toxoid component
5.
What is attenuated?
Weakened agent in vaccine
6.
What are examples of whole live vaccines?
Cow pox, BCG, MMR
7.
What is a benefit of whole live vaccine?
Large antibody reponse over a long time
8.
What is a disadvantage of polysaccharide vaccines?= Poor T cell response
9.
What is a conjugate polysaccharide vaccine?
Polysaccharide attached to protein carrier
10.
What is taken up by B cells in a polysacchardie conjugate vaccine?
Polysaccharide and protein
11.
What stimulates T cells in a polysaccharide conjugate vaccine?
Protein antigen present on B cells
12.
What does lowering the amount of susceptivle individuals result in?
Decreases natural reservoir and transmission