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. 1969 Nov;18(5):893-6.
doi: 10.1128/am.18.5.893-896.1969.

Effect of prehumidification on sampling of selected airborne viruses

J C Warren, T G Akers, E J Dubovi

Effect of prehumidification on sampling of selected airborne viruses

J C Warren et al. Appl Microbiol. 1969 Nov.

Abstract

Studies were undertaken to determine if a prewetting device (humidifier bulb) used in combination with an all glass impinger (AGI-30) would increase the recovery of airborne mengovirus-37A, vesicular stomatitis virus (VSV), and the S-13 coliphage. Suspensions of T3 coliphage with mengovirus-37A, VSV, or S-13 were aerosolized and collected by using the AGI-30-humidifier bulb combination to sample the aerosols before and after shifts in relative humidities (RH). These studies revealed the following. (i) At low RH values there was a 3 to 4 log increase in recovery of airborne T3 phage; (ii) concomitantly, the recovery of mengovirus-37A and VSV decreased; and (iii) only at the mid-range RH values was the recovery of S-13 enhanced. The prehumidification technique significantly increased the recovery of airborne T3 phage but decreased the recovery of the two animal viruses tested.

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References

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