Autoimmunity and Vaccination

Question 1

autoimmune diseases

Answer 1

some diseases an be caused by an immune response to healthy body cells where they are targeted and destroyed by the immune system; an example of this is type 1 diabetes where cells in the pancreas are targeted hence no more insulin is produced

Question 2

vaccination and memory cells

Answer 2

a dead version of a pathogen is injected into a patient and the antigens evoke an immune response where antibodies are produced; memory cells are then produced giving the person long term immunity