biofilm of rod-d and spherical bacteria

aggregation antibiotic aureus background bacteria bacteriemia bacterium biofilm biology cells closeup coli disease epidemic epidermidis escherichia fever health human illness illustration infection life luteus macro medical medicine micro microbes microbiology micrococcus microorganisms microscope microscopic mrsa multicellular mycobacterium pathology resistance salmonella saprophyticus science scientific sepsis shapes shigella sick sickness staphylococcus threedimensional