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Applied and Environmental Microbiology, April 2007, p. 2748-2750, Vol. 73, No. 8
0099-2240/07/$08.00+0     doi:10.1128/AEM.01139-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Inactivation of Influenza A Virus on Copper versus Stainless Steel Surfaces{triangledown}

J. O. Noyce,1 H. Michels,2 and C. W. Keevil1*

Environmental Healthcare Unit, University of Southampton, Biomedical Sciences Building, Bassett Crescent East, Southampton SO16 7PX, United Kingdom,1 Copper Development Association, Inc., 260 Madison Avenue, New York, New York 100162

Received 17 May 2006/ Accepted 18 January 2007

Influenza A virus particles (2 x 106) were inoculated onto copper or stainless steel and incubated at 22°C at 50 to 60% relative humidity. Infectivity of survivors was determined by utilizing a defined monolayer with fluorescent microscopy analysis. After incubation for 24 h on stainless steel, 500,000 virus particles were still infectious. After incubation for 6 h on copper, only 500 particles were active.

* Corresponding author. Mailing address: Environmental Healthcare Unit, University of Southampton, Biomedical Sciences Building, Bassett Crescent East, Southampton SO16 7PX, United Kingdom. Phone: 44 2380 594726. Fax: 44 2380 594459. E-mail: cwk{at}Soton.ac.uk

{triangledown} Published ahead of print on 26 January 2007.

Applied and Environmental Microbiology, April 2007, p. 2748-2750, Vol. 73, No. 8
0099-2240/07/$08.00+0     doi:10.1128/AEM.01139-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.





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