Communicable Diseases

• communicable disease

  a disease that can spread from one organism to another
• pathogens

  microorganisms that enter body and cause a disease
• pathogens spread by

  • airborne
  • direct physical contact
  • contaminated food
  • passed on by another animal
  • dirty,unclean water
• types of diseases

  • viral
  • bacterial
  • protist
  • fungal
• viral diseases

  • HIV- sexual contact , flu-like symptoms, antiretroviral drugs
  • measles- airborne, fever/red skin rash, 2 doses MMR vaccine
  • TMV- contact with infected plants, green/yellow mosaic pattern and leaf curls up, no treatment but keep seperate
• bacterial diseases

  • salmonella- spread out in food of unhygienic conditions, fever/cramp/vomiting/diarrhoea, antibiotics
  • gonorrhoea- sexual contact, burning sensation when urinating/thick yellow fluids, antibiotics/other forms of contraception
• protist diseases

  • malaria - mosquitos biting through skin, fever/tiredness/vomiting/headaches, malarones/mosquito repellant spray or nets
• fungal diseases

  • rose black spot - infected leaf touching healthy plants, black/purple spots on leaf, fungicides/keep seperate