MBBS, FRACP, FRCPA, FECMM, MASM, Department of Microbiology and Infectious Diseases, Royal Perth Hospital, Perth, WA; Department of Microbiology (PathWest Laboratory Medicine), Fiona Stanley Hospital Network, Murdoch, WA; Infectious Diseases Department, Fiona Stanley Hospital, Murdoch, WA; Medical School, Faculty of Health and Medical Sciences, University of Western Australia, Crawley, WA