PhD Thesis “Uptake of COVID-19 vaccines among healthcare workers and the effect of nudging interventions: A mixed methods study” of Bahar Madran, under the supervision of KUISCID Director Prof. Önder Ergönül, is published in Vaccine Journal which is a high impact journal in the field. Dr. Madran’s research points out the high risk of healthcare workers during the COVID-19 infections and their critical role on vaccination.