Communicable disease

• What are microorganisms?

  Tiny organisms including bacteria, viruses, protists, fungi
• What are pathogens?

  Microorganisms that can cause disease
• How can pathogens spread?

  From person to person
• What are communicable diseases?

  Diseases caused by pathogens that spread
• Which organisms can pathogens affect?

  Both animals and plants
• What are the four types of pathogens?

  • Bacteria
  • Viruses
  • Protists
  • Fungi
• How do airborne pathogens spread?

  Through tiny droplets expelled when coughing or sneezing
• What is cholera?

  A bacterial disease spread by contaminated water
• How is salmonella spread?

  By eating contaminated food, especially chicken
• How does athlete's foot spread?

  By walking barefoot on contaminated surfaces
• What are the common hygiene practices to prevent disease spread?

  • Wash hands after using the bathroom
  • Wash hands before preparing food
  • Clean cooking items like knives and boards
• What are vectors in the context of pathogens?

  Organisms that transport the pathogen
• How can insect vectors be killed?

  By spreading insecticides
• What is the best way to prevent pathogen spread?

  Vaccinate everybody
• What happens if someone catches a disease?

  They can be isolated or quarantined
• What are the three ways pathogens can spread?

  1. Through the air
  2. Through contaminated food or water
  3. Through direct contact
• What are the four methods to reduce pathogen spread?

  1. Be hygienic
  2. Kill the vectors
  3. Vaccinate people
  4. Quarantine people