AS 3.1 Unit 1: 3.1.4 Microorganisms use us for food, shelter and their reproduction

Bacterial diseases
When provided with appropriate information, candidates should be able to evaluate the evidence for the links between use of antibiotics and the development of MRSA and other antibiotic resistant bacteria

A2 3.5 Unit 5: 3.5.6 People and their microorganisms

Antibacterial resistance
Humans have introduced large amounts of antibacterial agents into the environment of bacteria. Evolution of resistance to antibacterial agents MRSA. When provided with appropriate information, candidates should be able to evaluate evidence relating to the impact of the widespread use of antibacterial agents