We describe a March 2020 co-occurrence of Legionnaires' disease (LD) and coronavirus disease in France. Severe acute respiratory syndrome coronavirus 2 co-infections were identified in 7 of 49 patients from LD case notifications. Most were elderly men with underlying conditions who had contracted severe pneumonia, illustrating the relevance of co-infection screening.
Keywords: COVID-19; Legionella; Legionnaires’ disease; SARS-CoV-2; coronavirus disease; pneumonia; respiratory infections; severe acute respiratory syndrome coronavirus 2; viruses; zoonoses.