escherichia coli bacterium, e.coli in human intestine

escherichia coli e illustration diarrhea 3d bacteria medicine microbes microbiology microscope pathology pyelonephritis medical sepsis microscopic illness infection background flagella fever cell health enteric epidemic urologic gastroenteritis human ecoli gut intestine food microbiome enterobacter poisoning small parasite colon flora pilli water enterocolitis internal body peritrichous jejunum intestinal pathogen stomach