[1] Burnet Inst, Dis Eliminat Program, Melbourne, Vic, Australia
[2] Burnet Inst, Life Sci Discipline, Melbourne, Vic, Australia
[3] Monash Univ, Dept Microbiol, Clayton, Vic, Australia
[4] Monash Univ, Dept Immunol, Melbourne, Vic, Australia
[5] Monash Univ, Dept Infect Dis, Melbourne, Vic, Australia
[6] Univ Melbourne, Peter Doherty Inst Infect & Immun, Dept Microbiol & Immunol, Melbourne, Vic, Australia