title: Bacteriology.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000145:classification; D004463:Ecology; D006197:Hair / Q000382:microbiology; D006801:Humans; D012867:Skin / Q000382:microbiology*; D013211:Staphylococcus aureus; D013297:Streptococcus pyogenes