These authors contributed equally: Peter T. Mee, Andrew H. Buultjens, Jane Oliver.

Centre for AgriBioscience, AgriBio, Agriculture Victoria, Bundoora, Victoria, Australia

Peter T. Mee, Karen Brown, Jodie C. Crowder, Natsuda Puttharak & Stacey E. Lynch

Department of Microbiology and Immunology, Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, Victoria, Australia

Andrew H. Buultjens, Jessica L. Porter, Louise M. Judd, Chris Sanders, Stuart Larsen & Timothy P. Stinear

Department of Infectious Diseases, Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, Victoria, Australia

Jane Oliver, Emma C. Hobbs, George Taiaroa, Deborah A. Williamson, David J. Price & Katherine B. Gibney

Victorian Infectious Diseases Reference Laboratory, Doherty Institute for Infection and Immunity, Melbourne Health, Melbourne, Victoria, Australia

Deborah A. Williamson

Australian Centre for Disease Preparedness, CSIRO, Geelong, Victoria, Australia

Kim R. Blasdell & Stacey E. Lynch

Department of Health, Melbourne, Victoria, Australia

Ee Laine Tay & Rebecca Feldman

Medical Entomology, Tropical Public Health Services Cairns, Cairns and Hinterland Hospital and Health Services, Cairns, Queensland, Australia

Mutizwa Odwell Muzari

South East Public Health Unit, Monash Health, Clayton, Victoria, Australia

Simon R. Crouch

North East Public Health Unit, Austin Health, Heidelberg, Victoria, Australia

Paul D. R. Johnson

Department of Biology, Millersville University, Millersville, PA, USA

John R. Wallace

Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Parkville, Victoria, Australia

David J. Price

Pest and Environmental Adaptation Research Group, School of BioSciences, Bio21 Institute, University of Melbourne, Parkville, Victoria, Australia

Ary A. Hoffmann

WHO Collaborating Centre for Mycobacterium ulcerans, Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia

Timothy P. Stinear