Selective nonroutine microbial surveillance of in-use hospital nebulizers by aerosol entrapment and direct sampling analyses of solutions in reservoirs.


Effluent aerosols and liquid reservoir samples from 255 in-use hospital nebulization devices were analyzed by Aero-Test samplers (Olympic Corp.) and direct dilution procedures (0.1-, 0.01-, and 0.001-ml plated samples). Thirty-five percent (89 of 255) of the in-use hospital reservoir samples were positive by direct dilution, and 24% (61 of 255) were… (More)


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