Haemolytic Streptococcus and E coli,Coloured scanning electron micrograph (SEM). Streptococci (red) are Gram positive cocci that grow in chains. Group A and B streptococci are two groups of beta haemolytic streptococci. Group A streptococci (GAS) are a cause of many infectious diseases both invasive and non invasive. Over one third of invasive GAS diseases are skin and soft tissue infections,the most severe being necrotizing fasciitis. Group B streptococci (GBS) are the leading cause of neonatal meningitis in the UK,accounting for 42-48% of positive cases. Escherichia coli (E.coli) (yellow) is a Gram-negative,anaerobic,rod-shaped bacterium of the genus Escherichia commonly found in the lower intestine. Virulent strains of E. coli can cause gastroenteritis,urinary tract infections,and neonatal meningitis. Magnification: x 4000 when printed at 10 centimetres wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Taille de l’image : | 4429 px × 3996 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |