• vaginal infection
• pH dependent colonisation
• Enterobacter sakazakii

In August 2001, a 26 year old woman seen at our outpatient clinic in Budapest complained of vulvar pruritus and vaginal discharge in the preceding 2 weeks. The only risk factor she admitted was that she had bathed in the resort lake Balaton a few times a week before the onset of symptoms, when the water was unusually warm (26–28°C). Examination revealed vulvovaginitis with mucous discharge at pH 5.5. A vaginal smear showed a large number of polymorphonuclear leucocytes, Gram negative rods, but no Lactobacillus. Culture on blood agar at 37°C for 48 hours resulted in yellow pigmented, bright, tough colonies. Biochemical analysis¹ verified Enterobacter …