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This study evaluated a new disinfection device equipped with high-energy UVA-LED. Vibrio parahaemolyticus, enteropathogenic Escherichia coli, Staphylococcus aureus and Escherichia coli DH5? were reduced by greater than 5-log10 stages within 75 min at 315 J cm2 of UVA. Salmonellaenteritidis was reduced greater than 4-log10 stages within 160 min at 672 J cm2 of UVA. Journal of Applied Microbiology 2007;2291-8.