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Table 1 Five minute aerosol characterization results for A/Wisconsin/67/2005 (H3N2).*

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 impinger A

4.6 × 106

83 750

BLD**

92 000

91.0%

4.6 × 106

82 860

BLD

92 000

90.1%

4.6 × 106

89 990

BLD

92 000

97.8%

4.6 × 105

8 732

BLD

9 200

94.9%

4.6 × 105

8 197

BLD

9 200

89.1%

4.6 × 105

8 464

BLD

9 200

92.0%

  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.
  2. **BLD, below limits of detection.
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Virology Journal

ISSN: 1743-422X