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Distribution of L. monocytogenes strains (FMCC_B-129, □; FMCC_B-169, ■; and FMCC_B-125, ▧) in mono- and dual-species mixed-culture biofilm communities remaining viable following a 6-min exposure to disinfectants (BC, 50 ppm; NaClO, 10 ppm; PA, 10 ppm; HP-PA, 5 ppm each). Control treatment is without disinfection. Mixed-culture biofilms were initially left to be formed on SS coupons incubated for 144 h in TSB at 15°C (with medium renewal every 48 h).
