Escherichia coli bacteria,coloured scanning electron micrograph (SEM). E. coli bacteria are a normal part of the intestinal flora in humans and other animals,where they aid digestion. However,some strains,for instance E. coli O157,can produce a toxin that leads to severe illness,or even death. Normal strains can also produce infections in weakened or immunosuppressed people | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Oeggerli, Martin |
Bildgröße: | 4825 px × 3619 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |