This will come in handy
Posted by ajcann on November 20, 2008 Bacteria thrive on and within the human body, with recent work revealing vast diversity in several human-associated bacterial communities. One of the largest human associated microbial habitats is the skin, a body habitat with complex regional variations in cellular architecture and environmental exposures, where bacterial density may be as high as 107 cells per square centimetre. Many of these bacteria are not simply passive or transient colonizers of the