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Inactivation of avian influenza virus using four common chemicals and one detergent

R. L. Alphin^*, K. J. Johnson^*, B. S. Ladman^* and E. R. Benson^,1

^* Department of Animal and Food Sciences, and Department of Bioresources Engineering, University of Delaware, Newark 19716

¹ Corresponding author: ebenson{at}udel.edu

Five disinfectant chemicals were tested individually for effectiveness against low pathogenic avian influenza virus (LPAIV), A/H7N2/Chick/MinhMa/04, on hard, nonporous surfaces. The tested agents included acetic acid, calcium hydroxide, sodium carbonate, sodium hydroxide, and a powdered laundry detergent without bleach. Multiple common chemicals including acetic acid (1 and 3%), sodium hydroxide (2%), and calcium hydroxide (1%) effectively inactivated LPAIV on a metal surface. The laundry detergent without bleach, sodium carbonate (4%), and the lower concentration of sodium hydroxide (1%) were not able to consistently inactivate LPAIV on hard, nonporous surfaces.

Key Words: avian influenza virus • inactivation • decontamination • disinfection