abstract moving microorganisms or bacteria on a blue background. . concept of chemistry and biology.

abstract animation bacillus background bacteria bacterial bacteriology bacterium biological biology blue cell closeup danger definition diarrhea disease endocarditis epidemic full germs health high hiv human illness illustration infection laboratory lactobacillus life macro magnification medical medicine meningitis micro microbe microbes microbial microbiology microorganism microorganisms microscope microscopic motion mycobacterium organic organism outbreak pathogenic pathogens pathology people pharyngitis pneumonia poisoning prebiotic probiotics research risk salmonella science scientific sepsis sick sickness small spore streptobacilli streptobacillus streptococcus subtilis thuringiensis transmit unhygienic virus