CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
Erysipelothrix rhusiopathiae. Coloured transmission electron micrograph (TEM) of an aggregate of bacteria Erysipelothrix rhusiopathiae, a species responsible for the skin disease erysipeloid. Individual bacterium (coloured red) are non-motile, rod-shaped, Gram- positive and have a tendency to clump together. Persons working in the fish, poultry or meat processing industries are vulnerable to infection through cuts or scratches on the hands. The disease is usually confined to the hands, with swelling and reddening around infected area. Treatment is with the antibiotic penicillin. Magnification: x2,900 at 35mm size.
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