Keith Eastwood1, Peter D Massey2, Siobhan M Mor3, Katrina Bosward4. 1. BAppSci, MAppEpi, DrPH, Hunter New England Population Health, University of Newcastle, NSW. 2. DrPH, GCPH, RN, Hunter New England Population Health, Wallsend, NSW; College of Medicine @ Dentistry, James Cook University, Townsville, Qld. 3. BSc(Vet), BVSc, MANZCVS, PhD, School of Veterinary Science, Faculty of Science, The University of Sydney, Sydney, NSW; Marie Bashir Institute for Infection and Biosecurity, University of Sydney, Sydney, NSW. 4. BSc (Vet), BVSc PhD, GradDiplVet ClinSciGradCert (Higher Ed), Faculty of Science, University of Sydney, NSW.