Legionnaire’s disease, weather and climate

PerspectivesIn the summer of 1976, at a convention for the American Legion, a mysterious outbreak of pneumonia affected 182 people, of whom 29 died. The spread of the infection appeared to be airborne, but it was not until the following year that the cause was identified as a bacterium. Legionnaire’s disease, as it is now known, is caused by inhalation of aerosols (fine particles or droplets), containing bacte-ria of the genus