Influenza Research and Treatment / 2013 / Article / Tab 3

Research Article

Detection and Isolation of Airborne Influenza A H3N2 Virus Using a Sioutas Personal Cascade Impactor Sampler

Table 3

Approximate viral count in concentrated SKC BioSampler and PCIS collection media.

Approximate no. of viable virionsa
Site 1Site 2Site 3

SKC BioSampler~2,500~130~1,200
 Filter positionCut-off size
  Stage A>2.5  m~60
  Stage B1.0–2.5  m
  Stage C0.5–1.0  m~50~30~20
  Stage D0.25–0.5  m~390~70~180
  After-filter<0.25  m~130~110

Approximate (total) number of viable virions in 500  L of concentrated collection media (from 0.375 m3 of sampled air).

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