The skin is a site of constant dialogue between the immune system and commensal bacteria. Epi-2W to the back skin of adult C57Bl/6 mice resulted in long-term persistence of the strain (Physique 1A). Flow cytometric and histologic evaluation of Epi- 2W colonized skin failed to reveal evidence of tissue inflammation (Figures 1B and C), suggesting… Continue reading The skin is a site of constant dialogue between the immune