STABILITY OF DISSEMINATED AEROSOLS OF PASTEURELLA TULARENSIS SUBJECTED TO SIMULATED SOLAR RADIATIONS AT VARIOUS HUMIDITIES

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Abstract
The bactericidal action of solar range UV light was shown to be generally proportional to the intensity of the light. Dry-disseminated aerosols of P. tularensis were more resistant to the lethal action of light than were the corresponding wet-generated clouds. This difference was particularly marked at low humidities. Moisture afforded varying degrees of protection against the action of light: in the case of wet-sprayed aerosols protection was linearly proportional to the percent relative humidity. Such linearity was not evident in the case of dry-disseminated clouds.