Klebsiella pneumoniae bacterium. Coloured scanning electron micrograph (SEM) of a Klebsiella pneumoniae bacterium in a mouse lung. It is caught in a n


Klebsiella pneumoniae bacterium. Coloured scanning electron micrograph (SEM) of a Klebsiella pneumoniae bacterium in a mouse lung. It is caught in a neutrophil extracellular trap (NET, green), a web of extruded chromatin that contains antimicrobial components that kill the bacterium. Neutrophils are the most abundant cell of the immune system. Klebsiella pneumonia is a Gram-negative, rod-shaped (bacillus) bacterium that is part of the normal flora of the skin and intestines. However, in those with a weakened immune system it can cause a number of infections, including pneumonia, urinary tract and open wound infections.


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