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The chain of infection

  • Game Code: 1605014
  •  English    17     Public
    Science Form 6 Unit 1
  •   Study   Slideshow
  • The chain of infection starts with
    an infectious pathogen
  •  15
  • When agents (pathogens) grow, multiply or invade, they cause
    diseases
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  • The second link of a chain infection is a
    Reservoir
  •  15
  • The reservoir is
    where the micro-organism lives and reproduces
  •  15
  • which link of the chain infection may be this?
    reservoir
  •  15
  • The third link is a
    portal of exit
  •  15
  • Give 2 examples of a portal of exit
    nose and mouth
  •  15
  • Which link is the mode of transmission?
    The 4th link
  •  15
  • Which link of the chain of infection does the picture show?
    The 4th link, the mode of transmission
  •  15
  • The fifth link is a
    portal of entry
  •  15
  • A portal of entry could be
    a body orifice, a skin wound
  •  15
  • This pictures shows a
    portal of entry
  •  15
  • Which is the 6th link ?
    A susceptible host
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  • Are preganant women, kids, elderly people, ill people susceptible hosts?
    yes
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  • The 6th link of a chain infection always appear: True or False
    False. only when there is an infection
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  • When an infection happens among many people in a country is called
    endemic
  •  15
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