Infectious Disease

1
Infectious Disease

• Shelby and Min Su

2
Vocab

• Pathogen an organism that makes you sick 
• Infectious disease a sickness that is carried
  from one organism to another 
• Pasteurization a heating process used to kill
  microorganisms  
• Transfer to carry from one place to another 
• Contaminant a thing that shouldnt be in your
  body

3
What are Pathogens?

• Pathogens organisms that cause disease
• Diseases caused by Pathogens are infectious
• Infectious disease pathogens harming your body
• The four major groups of human pathogens
• bacteria
• viruses
• fungi
• protists

4
Person-to-Person Transfer

• Direct Contact
• passed from person to person through direct
  physical contact
• Ex. Kissing, hugging, and shaking hands

• Indirect Contact
• When someone with an infectious disease sneezes,
  pathogens get into the air
• Anyone in the room can inhale and catch the
  disease too