set of bacteria, microbes, virus, germs. disease-causing object on background. bacterial microorganisms, probiotic cells

set bacteria microbes virus germs diseasecausing object isolated background bacterial microorganisms probiotic cells abstract animal bacillus bacterium biology cancer cartoon cell culture danger design dirty disease element epidemic flat germ graphic gut health human icon illness illustration infection laboratory medical medicine micro microbe microbiology microorganism microscopic nature organic organism pathogen science sick small style symbol vector white