Pseudomonas aeruginosa contamination of mouth swabs during production causing a major outbreak
Abstract Background In 2002 we investigated an outbreak comprising 231 patients in Norway, caused by Pseudomonas aeruginosa and linked to the use of contaminated mouth swabs called Dent-O-Sept.Here we describe the extent of contamination of the swabs, and identify critical points in the production process that made the contamination possible, in or