Between 65% and 90% of urinary tract infections (UTIs) in children are caused by Escherichia coli. Other pathogens include Klebsiella species, Proteus species, Pseudomonas aeruginosa, and Enterococcus species. Researchers in Israel (Nir Marcus and colleagues.

) have compared E coli with non-E coli infections.

During 2001 and 2002 at a tertiary paediatric medical centre 158 children had 175 episodes of culture-proved, community acquired UTI. Most urine samples …