The ESGLI 2019 conference will cover a wide range of topics related to Legionella and Legionnaires’ disease from basic microbial genetics and pathogenesis to applied aspects of detection, control and management. The goal of the meeting is to bring together researchers and professionals from all relevant disciplines in an applied context. The conference will present the latest scientific developments and knowledge about epidemiology and surveillance; clinical aspects and diagnosis; Host - Microbe interactions; Microbe - Environment interactions; outbreaks and case reports; genetics and genomics; prevention and control strategies.