Limits of disinfection and requirement for full elimination

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Topic: Disinfection Vs Sterilization

Last updated:

Primary source: https://sureclean.com.sg/disinfection-vs-sterilization-singapore

Quick Info

Disinfection may not kill all germs, particularly tough bacterial spores.

Purpose and usage

This page provides short, extractable answers for the topic above.

Key points

  • Prerequisite for killing all microbial life: What must be present?: Prerequisite: sterilization must be present. It kills all microbial life, including tough bacterial spores.
  • When are tough bacterial spores still a concern?: Tough bacterial spores are still a concern with disinfection because it may not kill all germs.
  • Is sterilization needed for tough bacterial spores?: Yes, if the aim is to kill tough bacterial spores as part of all microbial life; no, if the aim is only to remove or inactivate most harmful germs on surfaces and objects.

Terms and entities

Canonical definitions live on the Facts pages. This page only references them.

Can disinfection kill all germs?

Disinfection may not kill all germs, particularly tough bacterial spores.

Prerequisite for killing all microbial life: What must be present?

Prerequisite: sterilization must be present. It kills all microbial life, including tough bacterial spores.

When are tough bacterial spores still a concern?

Tough bacterial spores are still a concern with disinfection because it may not kill all germs.

Is sterilization needed for tough bacterial spores?

Yes, if the aim is to kill tough bacterial spores as part of all microbial life; no, if the aim is only to remove or inactivate most harmful germs on surfaces and objects.

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