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It doesn’t mean the job is done after the professionals have left the building. Here’s why: Although “cleaning,” “sanitising” and “disinfecting” are often used interchangeably.


  • Cleaning: Removes soil/dirt from a surface but does not kill any organisms.
  • Sanitising: Reduces the number of bacteria in the environment significantly.
  • Disinfecting: Destroys or irreversibly inactivates bacteria and viruses.


The pros would take care of the micro-organisms but not always the dust, dirt, stains and food remnants. Yes, the cleaning auntie can help you, but no one knows where the last coffee spill was or where the snack crumbs are hiding better than you.


As for what to use, antibacterial wipes with 70 per cent alcohol or chlorine is excellent at killing germs. The caveat: They may corrode or tarnish electronic devices as well as dry skin with prolonged use. Instead, use cleaning solutions that contain potassium hydroxide as they are “milder on your skin and not known to damage or tarnish the office equipment”.

Here’s how to COVID-19-proof your office/home and minimise your risk of getting infected.