Types Human Pathogen Pathogenic 626873482

Tags: human micro health illness medical symbol icon cell cellular body disease biology science collection cancer bacterium research influenza poster type microorganism microbe organism fungi parasite diagram yeast germ bacteria microbiology epidemic pandemic infection Microscopic pathogen cause parasites viruses pathogenic protozoa giardia helicobacter pylori norovirus prion echinococcus acellular epidermophyton