DAVID SCHARF / SCIENCE PHOTO LIBRARY DAVID SCHARF / SCIENCE PHOTO LIBRARY
Staphylococcus epidermidis bacteria. Coloured scanning electron micrograph (SEM) of clusters of Staphylococcus epidermidis bacteria. These Gram- positive cocci (spherical bacteria) are found on human skin. They are usually harmless, but can cause infections in open wounds. Magnification: x8,500 at 6x7cm size.
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