Explore the potential link between windshield wiper fluid and Legionnaires' disease in this 31-minute conference talk from the American Society for Microbiology. Delve into findings from a project initiated after epidemiological studies suggested a connection between motor vehicle use and increased risk of Legionnaires' disease. Learn about the discovery of Legionella bacteria in nearly 75% of school buses tested in an Arizona district. Examine the built environment, sources of transmission, sampling methods, and the implications for bus drivers and the general population. Investigate the role of amoeba in bacterial growth and resistance. Gain insights into future research directions and potential public health concerns related to this unexpected source of respiratory illness.