 The study aimed to explore factors determining the intention of healthcare personnel, HCP, from Greece and Cyprus to get vaccinated against COVID-19, finding that physicians, nursing staff, paramedical staff, working in Greece, age, mandatory influenza vaccination for HCP and overall management of COVID-19 pandemic were significant predictors. This article was authored by Vassilius Raftopoulos, Stelios Iordina, Angeliki Katsipi, and others.