Wooden surfaces retained significantly (P ≤ 0.05) higher numbers of E. coli O157:H7 than did glass or plastic surfaces; the number attached to stainless steel was not significantly different
Wooden surfacesretained significantly (P ≤ 0.05) higher numbers of E. coli O157:H7than did glass or plastic surfaces; the number attached to stainlesssteel was not significantly different