Overview of the interactions predicted for all pairs in 12 scenarios. M1, microbe 1; M2, microbe 2; sIEC, small intestine enterocyte; WD, Western diet; HFD, high-fiber diet; PD, protein diet; NG, no growth due to H. pylori being unable to grow without oxygen; K. pneu, K. pneumoniae; S. typh, S. enterica subsp. Typhimurium; EC, E. coli.