The Chain of Infection

1
The Chain of Infection

• How diseases spread

2
The Chain of Infection

• Source of Infection
• There needs to be someone or something carrying
  the bad microbes that cause the infection
• There are many sources of infection, these can
  include
• People already infected
• Pets
• Unclean surfaces (door handles, keyboards,
  toilets, etc)

3
The Chain of Infection

• Way out for microbes
• There needs to be a way for the microbes to get
  out of the infected person or source
• Routes include
• Sneezing (aerosols)
• Transfer of bodily fluids

4
The chain of Infection

• Spread of infection
• Bad microbes need a way to be passed from person
  to person
• This can be through
• touch
• sexual transmission

5
The chain of Infection

• Way in for microbes
• Bad microbe need a way to get into someone else
  before they can cause an infection
• This can be through
• the food we eat
• inhalation of aerosols
• open cuts or sores
• things we put in our mouths

6
The Chain of Infection
People at Risk from Infection We are all at
risk from infection but especially the young, the
elderly and those on medication
7
Breaking the Chain

• How to prevent the spread of Infection

8
Breaking the Chain

• Source of infection
• Isolate infected people
• Take care with raw food
• Wash pets on a regular basis
• Dispose of nappies and soiled items appropriately

9
Breaking the Chain

• Way out for microbes
• Prevent any
• faeces
• vomit
• bodily fluids
• coughs and sneezes
• getting onto surfaces or hands

10
Breaking the Chain

• Spread of infection
• Wash hands thoroughly AND regularly
• Cover cuts and open sores
• Take appropriate precaution during sexual
  activities

11
Breaking the Chain

• Way out for microbes
• Prevent any
• faeces
• vomit
• bodily fluids
• coughs and sneezes
• getting onto surfaces or hands

12
Breaking the Chain

• People at risk from infection
• Everyone
• Take appropriate vaccinations
• High risk people
• Keep away from people who are infectious
• Take extra care about cleanliness
• Take extra care when cook and preparing food