Arrangements Coccus Bacterial Microorganism 229069852

Tags: small shape sign micro health life medicine illness medical symbol fever cell disease biology science collection virus bacterium flu sick creature curved microorganism microbe organism germ bacteria microscope sickness microbiology epidemic infection mold Microscopic bacillus pathogen bacilli streptococcus aureus Staphylococcus pylori cocci coccus vibrio Corynebacterium escherihia helycobacter