virus, bacteria and fungi

aureus bacilli bacteria bacterial bacterium botulism care cell chain cholera cholerae clinical cocci coccus collection defense design diarrhea digestive disease dysentery epidemic eukaryote fever flu food fruiting fungus germs gonorrhea green health helicobacter hiv human hyphen illness immune infect infections infectious inflammatory medical medicine meningitis metastasis micro microbe microbial mold parasite pathogen peritonitis physiology pneumonia prokaryote pylori pyogenes reproductive science staphylococci stomach streptococcal streptococci streptococcus tuberculosis ulcer urinary vet veterinary virus