Urinary tract infection: Difference between revisions

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== Causes ==
== Causes ==


UTIs are often caused by ''Escherichia coli'' (E. coli) bacteria, to which the infant has no passive immunity. In infant girls UTIs generally originate in the colon, whereas in infant boys they originate from the external environment, strongly suggesting that for boys such infections are iatrogenic.<ref>{{REFjournal
UTIs are often caused by ''Escherichia coli'' (E. coli) bacteria, to which the infant has no passive immunity. In infant girls UTIs generally originate in the colon, whereas in infant boys they originate from the external environment, strongly suggesting that for boys such [[infection]]s are [[iatrogenic]].<ref>{{REFjournal
  |last=Maskell
  |last=Maskell
  |init=R
  |init=R