Dr. Vaittinada Ayar is an emergency physician and Associate Professor (MCU-PH) at Orléans University Hospital. Dr. Vaittinada Ayar holds a PhD from the University of Paris Cité (2021) on the impact of antibiotics on bacterial virulence and resistance, followed by a postdoctoral fellowship in Tours. Dr. Vaittinada Ayar's research focuses on sepsis, prognostic stratification, optimization of care pathways, prehospital care and AI-based decision-support tools in emergency medicine, with a particular interest in sex- and gender-related differences in acute care.