Helen Marshall

Helen Siobhan Marshall (born 1962) is an Australian medical researcher who is Professor of Vaccinology at the University of Adelaide. She was named the South Australian of the Year for 2022.

Early life and education Marshall's mother was a nurse and her father a general practitioner. She completed her schooling at Pembroke School, Adelaide in 1979.

Marshall graduated from the University of Adelaide with an MBBS in 1988. She returned to the university for postgraduate studies, receiving a Masters in Public Health in 2004 and a Doctorate of Medicine in 2011.

Career As a medical student, Marshall worked for a time in Western Samoa, which she has said has "guided her interest" in vaccinology. She conducted a three-year large scale study of over 42,000 people across South Australia, the largest study of its kind and one that has been called a "game-changer", which will inform global research and understanding about the disease.

During the COVID-19 pandemic, Marshall provided advice to the state's Health Minister Stephen Wade and Chief Public Health Officer Nicola Spurrier Commencing in September 2020, Marshall was co-investigator at the University of Sydney in a Phase I Human Trial of a novel DNA-based COVID-19 vaccine developed by BioNet and Technovalia that could be administered without using a needle. She is also part of a University of Queensland research team seeking to improve primary health care services for Aboriginal and Torres Strait Islander peoples and is leading a study to provide free meningococcal B vaccinations to Northern Territory residents as she studies whether the vaccine can also provide protection against gonorrhoea. She was made a Member of the Order of Australia in the 2022 Australia Day Honours. 2022 South Australian of the Year

Personal life During her paediatric training, Marshall married fellow doctor David Misan. They have three children.

Selected publications