• Dec 7, 2025 microbial inhabitants of humans their ecology and dryness, acidity, and exposure to external elements. Microbial communities here are highly diverse, adapting to different regions. Forehead and back: Dominated by Propionibacterium and Staphylococcus species. Armpits and groin: Higher humidity favors Corynebacterium and Staphylococcus. Dry areas By Cristina Gerhold
