1. Victorian Department of Agriculture and Rural AffairsAttwood Veterinary Research Institute475‐485 Mickleham RoadAttwoodVIC3049
2. Communicable Diseases Section, Department of Community Services and HealthGPO Box 9848CanberraACT2601
3. Fairfield HospitalVirology DepartmentYarra Bend RoadFairfieldVIC3078
4. Health DepartmentVictoria 555 Collms StreetMelbourne