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Table 2 Five minute aerosol characterization results for A/Vietnam/1203/2004 (H5N1).*

From: Design, assembly, and validation of a nose-only inhalation exposure system for studies of aerosolized viable influenza H5N1 virus in ferrets

Virus Conc. (TCID50/ml) in BANG reservoir

Virus quantity in impinger A (TCID50units)

Virus quantity in impinger B (TCID50units)

Theoretical 100% recovery (TCID50units)

Approximate collection efficiency impingers A + B

4 600 000

10 450

9 975

92 000

22.2%

  1. *Running conditions: nebulizer use rate, 0.1 ml/min; generation time, 5 min; system total flow rate, 5 L/min; impinger sample rate, 1 L/min; impinger sample time, 5 min.