Abstract
Summary
Aerosols of adenovirus types 4 and 7 and parainfluenza 3 were tested for biological stability as a function of relative humidity. The levels tested were 20%, 50%, and 80%. Both adenoviruses exhibited maximum stability at 80% RH. Parainfluenza on the other hand exhibited a minimum biological decay rate at 20% RH. Studies were carried out with aerosols having mass median diameters of about 2 μ.
The authors wish to cite the excellent technical assistance of Joseph W. Dominik and John F. Brewer of Fort Detrick and of Martin Schneider of Walter Reed Army Inst. of Research. The statistical analyses by Dr. N. Bohidar of Fort Detrick are also acknowledged.
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