communicable diseases

• What are microorganisms?

  A group of tiny organisms including bacteria, viruses, protists, and fungi
• What are pathogens?

  Microorganisms that can cause disease
• How can pathogens spread?

  They can spread from person to person
• What are the diseases caused by pathogens called?

  Communicable or infectious diseases
• Do pathogens affect only humans?

  No, they affect both animals and plants
• What are the four types of pathogens?

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

  They are carried in tiny droplets expelled when we cough or sneeze
• What is an example of an airborne pathogen?

  Influenza virus
• How is cholera spread?

  By drinking contaminated water
• What type of food is commonly associated with salmonella?

  Contaminated chicken
• How is athlete's foot spread?

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

  Washing hands after using the bathroom
• What are vectors in the context of pathogens?

  Organisms that transport the pathogen
• What is an example of a vector for malaria?

  Mosquitoes
• How can we kill insect vectors?

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

  Vaccinating everybody
• What happens if someone catches a disease?

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

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

  1. Be hygienic
  2. Kill the vectors
  3. Vaccinate people
  4. Quarantine people
• What will be covered in the next three videos?

  A closer look at the four types of pathogens and examples of diseases they cause