3.1 - Communicable Diseases

• Pathogens

  Microorganisms that can cause disease
• Examples of Pathogens:

  • Bacteria
  • Viruses
  • Protists
  • Fungi
• How pathogens spread:

  • Through the air
  • Contaminated food and water
  • Direct contact
• Ways of reducing infection:

  • Hygiene
  • Kill the vectors
  • Vaccination
  • Isolate or Quarantine
• Disease caused by pathogens are classed as communicable disease
• Pathogens can infect both animals and plants