The Swiss cheese model to address the problem of human fallibility in the management of errors was put forward by British psychologist Emeritus Professor James Reason. However, in the real world, these defences are more like slices of Swiss cheese with holes in them. Australian virologist Dr Ian Mackay adapted Emeritus Prof Reason’s Swiss cheese model for Covid-19 with his colleagues last year (2020), resulting in the Swiss Cheese Respiratory Virus Pandemic Defence (see graphic). The Swiss Cheese Respiratory Virus Pandemic Defence model adapted by Dr Mackay and his colleagues from the Swiss Cheese model of accident causation created by Emeritus Prof Reason. SummaryIt is evident that no slice of the Swiss cheese model provides 100% protection against viral spread.

Source: The Star April 27, 2021 04:52 UTC