BIOMEDICAL IMAGING UNIT, SOUTHAMPTON GENERAL HOSPITAL / SCIENCE PHOTO LIBRARY BIOMEDICAL IMAGING UNIT, SOUTHAMPTON GENERAL HOSPITAL / SCIENCE PHOTO LIBRARY
Clostridium difficile drug-resistant bacteria, coloured transmission electron micrograph (TEM). This bacterium, also known as C. diff, is a normal member of the intestinal flora in humans. It is resistant to many antibiotics, however, and if the rest of the gut flora is killed by a course of antibiotics, C. diff can flourish. In such cases it can cause severe gut infections, including the potentially fatal pseudomembranous colitis. The bacteria can form spores (green/white ovals), which are resistant to heat and many chemicals. C. diff is one of the most common hospital- acquired infections. Magnification: x11,000 when printed 10cm wide.
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