Legionellosis represents an important public health problem throughout the world, although it is considered as an underdiagnosed and underreported disease. Morbidity and mortality remain high, as well as the associated health costs; therefore, demanding an early recognition and appropriate management [1–3]. It is an important cause of community-acquired and nosocomial pneumonia with a high proportion -ranging from 20 to 40 %- of patients requiring intensive care unit (ICU) admission, developing high rates of acute respiratory distress syndrome requiring mechanical ventilation (MV), septic shock and acute kidney injury.
