Prof Arendrup has authored around 250 publications in international journals and as book chapters. Her main research interests include the epidemiology, susceptibility, breakpoint development, diagnostics and treatment of fungal infections. Prof Arendrup was the founder of the Nordic Society of Medical Mycology (NSMM) and has been president since the formation of the society in 2003 til 2018. She is chair of the EUCAST Antifungal Susceptibility Testing Subcommittee Steering Committee, head of the EUCAST Development Laboratory for fungi, and an editor for Drug Resistance Updates.