Sandrine Stepien

Aug 13, 2024 | medrxiv.org | Bette Liu |Sandrine Stepien |Kristine Macartney |Anish Scaria

BL's institution receives grant funding from the Australian National Health and Medical Research Council and the Medical Research Future Fund and Wellcome Trust. From 2019-2023 BL was a member of the Australian Technical Advisory Group on Immunisation. KM's institution has received funding from Australian and State Government Departments of Health, Australian National Health and Medical Research Council, GAVI, WHO and Wellcome Trust. KM has served as an expert witness for State Governments.

Oct 7, 2023 | thelancet.com | Bette Liu |UNSW Sydney |Sandrine Stepien |Timothy Dobbins

Research in contextMany studies have estimated COVID-19 vaccine effectiveness against COVID-19 specific disease outcomes including symptomatic infection and severe disease, often measured using hospitalisations and deaths with a related SARS-CoV-2 diagnosis. Defining severe COVID-19 has become more difficult in the Omicron variant era as infection is common and misclassification of attribution can lead to uncertainty and variations in vaccine effectiveness estimates.