gut flora. bad bacteria: clostridium, enterococcus, salmonella and good bacteria: lactobacillus, bifidobacterium, escherichia coli

acidophilus bacillus bacteria bacterial bacteriology bacterium bacteroides bad bifidobacteria bifidobacterium biological biology clostridium coli colon digestion digestive dysbiosis enteric enterica enterococcus escherichia faecalis fermentation flora food gastrointestinal germ good gut health healthy human icon illustration intestinal intestine lactic lactobacillus medical medicine micro microbe microbiota microflora microorganism motile non organ perfringens prebiotic probiotic probiotics salmonella small streptococcus vector white yoghurt yogurt