collection of various microorganisms on black background. set of germs, pathogens, protozoa, microbes. bundle

allergen animal archaea bacillus bacteria bacterium biology bundle cartoon cell collection colored colorful creature dangerous different disease epidemic flat fungi germ graphic harmful illness illustration infection infectious isolated microbe microbiology microbiome microbiota microorganism microscopic organism pandemic pathogen primitive prion probiotic protist protozoa science set various vector viroid virus