On behalf of the organising committee, we warmly welcome you to the 2026 Austin Immunisation Service National Symposium, a meeting that brings together the world’s leading science, new discoveries, and the latest evidence to drive meaningful change designed to enhance patient care and public health outcomes.

Meet Our Speakers

Dr Annaliese van Diemen
Annaliese is a specialist Public Health Physician. She graduated from medicine at Monash University, going on to train as a General Practitioner before moving into Public Health medicine. Annaliese held several roles at the Department of Health, including Deputy Chief Health Officer (Communicable Disease) before joining the North Eastern Public Health Unit (NEPHU) in May 2021, and was appointed Director in October 2023.

Ms Sonja Elia
After choosing to specialise in Immunisation in 2003, Sonja worked at the Royal Children’s Hospital (RCH) Immunisation service for over 20 years and in 2017, became Victoria’s first Nurse Practitioner (NP) in the field of Immunisation. She is currently the Nursing Lead of the Workforce Immunisation Unit at Austin Health. She is a current member of the Immunisation Coalition, a teaching associate with Monash University NP program and holds an honorary position with the University of Melbourne.

Ms Karen Bellamy
Kaz Bellamy is an Infectious Diseases and Immunisation Nurse Practitioner with specialist expertise in high-risk, antenatal, and travel immunisation. Kaz has played a key role in developing adult and paediatric immunisation sedation pathways at Monash Health. With extensive experience in vaccine safety and vaccine-preventable disease research across both adult and paediatric populations, Kaz brings strong clinical and research leadership to immunisation practice. Kaz is a current member of the Australian Technical Advisory Group on Immunisation (ATAGI).

Dr Jessica Kaufman
Dr Jessica Kaufman is a Principal Research Fellow and leader of the Vaccine Social Science Team in the Vaccine Uptake Group at the Murdoch Children’s Research Institute. She is also an Honorary Fellow at The University of Melbourne, Burnet Institute, and La Trobe University. She is an expert in communication and social and behavioural science related to vaccination. Her research focuses on strategies to increase acceptance of vaccines across the lifespan.

Dr Sarah McGuiness
Dr Sarah McGuinness is an infectious diseases clinician–researcher at Monash University and the Alfred Hospital in Melbourne. Her research focuses on improving ways to prevent infectious diseases in at-risk populations, including travellers. Sarah leads the hospital-based travel clinic at the Alfred Hospital. She is a member of the Australian Technical Advisory Group on Immunisation (ATAGI), serves on the International Society of Travel Medicine’s Travel Vaccines Task Force, is an Associate Editor for the Journal of Travel Medicine, and co hosts ISTM’s Travel Unravelled podcast.

Prof Allen Cheng
Prof Allen Cheng is an infectious diseases physician. He is Program Director of Medical Specialties at Monash Health and Professor of Infectious Diseases in the School of Clinical Sciences at Monash University. He was previously Co-Chair of the Australian Technical Advisory Group on Immunisation, and the Chair of the Advisory Committee for Vaccines. In 2020-21, Prof. Cheng was the Victorian Deputy Chief Health Officer during the COVID-19 pandemic.

Prof. Paul Griffin
Paul Griffin is an Associate Professor of Medicine and Director of Infectious Diseases at the University of Queensland and Mater Hospitals, South Brisbane, Australia.
He has fellowships in Infectious Diseases from the Royal Australasian College of Physicians, in Clinical Microbiology from the Royal College of Pathologists of Australasia and from the Australasian College of Tropical Medicine.
He is the Principal Investigator and Medical Director at Nucleus Network Brisbane; a specialised contract research organisation specialising in early and late phase trials predominantly in Infectious Diseases where he has been the Principal Investigator on over 125 clinical trials, predominantly vaccines.
Finally, as a Clinical Microbiologist, he maintains an active interest in diagnostic microbiology.
He has fellowships in Infectious Diseases from the Royal Australasian College of Physicians, in Clinical Microbiology from the Royal College of Pathologists of Australasia and from the Australasian College of Tropical Medicine.
He is the Principal Investigator and Medical Director at Nucleus Network Brisbane; a specialised contract research organisation specialising in early and late phase trials predominantly in Infectious Diseases where he has been the Principal Investigator on over 125 clinical trials, predominantly vaccines.
Finally, as a Clinical Microbiologist, he maintains an active interest in diagnostic microbiology.

Prof. Kristine Macartney
Kristine Macartney is a paediatrician, infectious disease specialist and vaccinologist. She worked in the USA at the Children’s Hospital of Philadelphia and was a founding member of the US Vaccine Education Center. Kristine’s particular interests include translation of evidence into policy and practice, vaccine safety and vaccine preventable diseases research, particularly in viral diseases, including COVID-19, rotavirus, varicella zoster virus, HPV and influenza. She is the senior editor of the Australian Immunisation Handbook, has authored >200 peer-reviewed publications and is a member of key peak advisory committees in Australia, including the Australian Technical Advisory Group on Immunisation (ATAGI). She is an expert consultant to the World Health Organization (WHO), a member of the WHO Global Advisory Committee on Vaccine Safety (GACVS), a member of WHO-SAGE subcommittees and is the founding chair of the Australian Regional Immunisation Alliance (ARIA). Kristine has a clinical appointment at The Children’s Hospital at Westmead as a Staff Specialist in Infectious Diseases and Microbiology and a conjoint academic appointment as Professor in the Discipline of Child and Adolescent Health, University of Sydney.

