In 1976, he attended United World College of South East Asia in Singapore[3] under an Australian government scholarship.

[4] Lewis, when interviewed by Larry King, said "God must have put him in 'the bush' (aka Darwin) because Dr Fisher was the world's best infectious disease physician.

Fisher's team highlighted that hospital-based physicians should see themselves as a sizeable and flexible group with the ability to contribute in a variety of ways during a disaster.

In the article titled "Methicillin-resistant Staphylococcus aureus Control in Singapore– Moving Forward", he described how MRSA infection in hospitals could be prevented and should not be considered as an accepted tolerable by-product of healthcare.

For instance, the world's population is completely vulnerable to the novel virus as it is newly emerged in humans, and the current aim of the response muts be to flatten the epidemic curve, by interrupting chains of transmission wherever possible.

It was also mentioned that while there were deaths linked to the virus, the greatest concern is the overwhelming of a health system in the wake of excessive transmission.

[16] As in some ways the public face of the response in Singapore, Fisher has featured in a comic series "The COVID Chronicles".