Figure 2From: Design, assembly, and validation of a nose-only inhalation exposure system for studies of aerosolized viable influenza H5N1 virus in ferretsAerosol exposure port to port homogeneity plot. Total particle counts for three different-sized PSL microspheres in an aerosol volume of 0.33 L (with a read time of 20 sec) are shown. The results shown are for three separate determinations.Back to article page