Communicable Disease

• What are microorganisms?

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

  Microorganisms that can cause disease
• How do pathogens spread?

  From person to person
• What are communicable diseases?

  Diseases caused by pathogens that spread
• What types of organisms can pathogens affect?

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

  • Bacteria
  • Viruses
  • Protists
  • Fungi
• What disease is spread by contaminated water?

  Cholera
• What is one way pathogens spread through the air?

  Via tiny droplets expelled when coughing or sneezing
• How is salmonella bacteria spread?

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

  By walking barefoot on contaminated surfaces
• What is a common method to prevent disease spread?

  Practicing good hygiene
• What should you do after using the bathroom?

  Wash your hands
• What are vectors in the context of pathogens?

  Organisms that transport pathogens
• What is an example of an insect vector?

  Mosquitoes
• How can insect vectors be killed?

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

  Vaccinate everyone
• What happens if someone catches a disease?

  They may be isolated or quarantined
• When do we typically quarantine individuals?

  For serious diseases that can harm others
• 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. Maintain hygiene
  2. Kill vectors
  3. Vaccinate people
  4. Quarantine individuals
• What will be covered in the next videos?

  • Detailed look at four types of pathogens
  • Examples of diseases caused by each type