We evaluated Legionella pneumophila contamination of water and surrounding air in a burn care department equipped with bathtubs. In water, the bacterium always aerosolized, but in surrounding air, it diluted itself to such a point that it became undetectable at 1 m or more from the source of emission, which indicated that patients were at low risk of inhaling a dangerous quantity of the microbe.
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Crimi et al. (2006) studied this question.
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