Pathogens and Disease

• What are pathogens?

  Disease-causing microorganisms that are contagious
• What is a fomite?

  An object that can carry pathogens
• How are pathogens passed from one organism to another?

  Through direct or indirect contact
• What types of pathogens exist?

  • Bacteria
  • Viruses
  • Fungi
  • Protozoa
• How would you describe bacteria cells?

  Single-celled microorganisms
• How does the size of bacteria compare to pathogens?

  Smaller than pathogens
• What does bacteria need to survive?

  Moisture, food, warmth
• What is bacteria's favorite food?

  Yoghurt and cheese
• Where can bacteria be found?

  Liquid waste and raw sewage
• What do bacteria produce?

  Gases and slime
• What shape is a bacterium?

  Regular shape
• What can bacteria cause?

  Infection in every type of living organism
• How does bacteria reproduce?

  Rapidly and releases toxins
• Where do viruses reproduce?

  Inside cells and burst out destroying them
• What is a vector?

  A living organism which can transport disease