11.2

Question 1

What are some benefits of commensal bacteria?

Answer 1

• Metabolic benefits
• Protect against pathogens by competing for binding site

Question 2

What are the two overarching mechanisms of pathogenesis/virulence?

Answer 2

• Establish infection by competing with host
• Damage host and cause symptoms

Question 3

List some mechanisms of disease transmission?

Answer 3

• Direct contact
• Indirect contact (e.g. fomites)
• Faecal-oral