vibrio bacteria under a microscope

water flagellum pathogen sickness sick intestinal escherichia coli inflammation bacilli infectious proteobacteria vibrionales staphylococcus aureus laboratory diarrhea unicellular pathology biological microorganism flagella scientific bacteria infection vibrio science microbe disease microbiology biology bacterium medical cells medicine health illness microscopic cholera bacillus micro human virus cholerae microorganisms epidemic organism macro research microscope isolated under