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Explain the differences between sterilization and disinfection in controlling the transmission of pathogens.

Explain the differences between sterilization and disinfection in controlling the transmission of pathogens.

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Answer #1

Steriliazation -

  • it refers killing of all living forms.
  • This can be achieved by incineration,certain gases,some liquid chemicals or exposure to ionizing radiations.
  • it is one of the best method for eliminating microrganisms.
  • Autoclave is the most commonly used method of sterilization.

Disinfection -

  • it is the destruction of pathogenic microrganisms by processes that fail to meet the criteria for sterilization.
  • it is Aseptic control method that destroys pathogens.
  • But it does not usually kill spores and viruses.
  • it is applied to inanimate objects and surfaces .
  • it reduces the number of microorganisms ,thereby reducing the risk of infection.
  • Recommended disinfectant is 1 part chlorine bleach to 10 parts water.
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