Bacteria such as some Staphylococcus species, Corynebacterium spp., Brevibacterium spp and Acinetobacter live on normal skin and cause no harm. Propionibacteria live in the hair follicles of adult skin and contribute to acne.
Some bacteria invade normal skin or wounds (causing wound infection). Bacteria, like viruses, may also sometimes result in exanthems (rashes).
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