Communicable diseases

• Types of pathogens that cause communicable diseases in plants and animals

  • Bacteria
  • Fungi
  • Protoctista
  • Virus
• Examples of diseases caused by bacteria:

  • Tuberculosis = humans
  • Ring rot = potatoes
• Examples of diseases caused by fungi:

  • Black sigatoka = bananas
  • Athlete's foot = humans
• Examples of diseases caused by Protoctista:

  • Malaria = humans
  • Potato/tomato late blight = plants
• Examples of diseases caused by virus:

  • Influenza = animals
  • HIV/AIDS = human
  • Tobacco mosaic virus = plants
• Different methods of transmission

  • Vectors
  • Spores
  • Living conditions