bacteria, virus, microbe glyph icons. included icon as microorganism, germ, mold, cell, probiotic

anaerobic bacteria bacterial bacteriophages bacterium biology black cell chemical contaminants coronavirus culture disease flat germ germs glyph gut health herpes hiv hygiene icon illustration immune infection laboratory lactic medical micro microbe microbiology microorganism mold organism pandemic pathogen petri pictogram pollen probiotic research science set silhouette staphylococcus streptococcus symbol vector virus