CAVALLINI JAMES / BSIP / SCIENCE PHOTO LIBRARY CAVALLINI JAMES / BSIP / SCIENCE PHOTO LIBRARY
Group A streptococcus pyogenes. It is the cause of skin infections (impetigo), abscesses, bronchio-pulmonary infections, a bacterial form of strep throat that can lead to complications such a acute articular rhumatism. Optical microscopy x 2000.
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