Diseases

• Autoimmune disease

  When immune system does not recognise self antigens

  Immune system attacks own cells as if they were pathogens

  Long-term and cannot be cured
• Examples of autoimmune diseases

  Lupus

  Rheumatoid arthritis
• Types of pathogens

  Bacteria

  Virus

  Fungi

  Protocist
• Types of bacteria disease

  Tuberculosis

  Bacterial meningitis

  Ring rot
• Types of virus disease

  HIV

  Influenza

  Tobacco mosaic virus
• Types of fungus disease

  Ringworm

  Athletes foot

  Black Sigatoka
• Types of protoctista

  Malaria

  Potato/ tomato late blight
• Tuberculosis


  Transmitted through airborne droplets

  causes harm by damaging lung tissue and suppressing immune system

  Cured using antibiotics and prevented through vaccination
• Ring rot

  Infects potatoes and tomatoes

  Transmitted through infected tubers and micro propagation of plants from infected plants
• Direct contact

  Touching kissing contact with cuts in skin and sexual contact
• Inoculation

  Animal bites sharing needles and cuts in skin
• Ingestion

  Drinking and eating contaminated water and food
• Vectors

  Usually animals that pass the as mosquitoes transmitting malaria
• Droplets

  Pathogens transmitted in droplets of water for example, saliva and mucus
• Fomites

  Dirty bedding, socks and cosmetics are examples of inanimate objects that can carry and transmit pathogens