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Evolution of biofilm-associated Legionella and a mixture of other (non-Legionella) bacterial species. Acanthamoeba castellani (A.c.) were added in the reactor on day 35. Non-Legionella bacteria in the reactor included Aeromonas hydrophila, Escherichia coli, Flavobacterium breve and Pseudomonas aeruginosa. (Source: [30]).
