Immunity Flashcards
1
Q
What can vaccines contain
A
Live pathogens treated to make them harmless
Harmless fragments of the pathogen
Dead pathogens
2
Q
What are the five stages of a vaccine
A
1) infection of antigen from pathogen
2) wbc produce antibodies
3) antibodies and phagocytes ingest the pathogen
4) memory cells are left behind
5) memory cells are bigger and faster
3
Q
Talk about penicillin
A
Discovered in 1928 by Alexander Fleming
Made by penicillin moulds
Effective and safe
4
Q
What does MRSA stand for
A
Methicillin resistant staphylococcus aureas
5
Q
Define epidemic
A
An infectious disease that effects one country
6
Q
Define pandemic
A
An epidemic of infectious diseases that is spread a continent or the world
