a closeup, microscopic view of numerous green, rodd bacteria, some in focus and others blurred, against a greenish background

bacteria microscope microscopic microbiology rodshaped green bacillus prokaryote microorganism cell biology science scientific life organism singlecelled microbes germ pathogen infection disease health medicine medical research laboratory sample culture growth study investigation analysis experiment data discovery innovation technology biotechnology biomedical pharmaceutical biotech bio microbial biofilm closeup view numerous focus blurred greenish background background generated