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. 2008 Jun;14(6):968-71.
doi: 10.3201/eid1406.071095.

Nosocomial Outbreaks Caused by Leuconostoc mesenteroides subsp. mesenteroides

Germán Bou  1 , Jesús Luis Saleta, Juan Antonio Sáez Nieto, Mar Tomás, Silvia Valdezate, Dolores Sousa, Francisco Lueiro, Rosa Villanueva, Maria Jose Pereira, Pedro Llinares
Affiliations

Nosocomial Outbreaks Caused by Leuconostoc mesenteroides subsp. mesenteroides

Germán Bou et al. Emerg Infect Dis. 2008 Jun.

Abstract

From July 2003 through October 2004, 42 patients became infected by strains of Leuconostoc mesenteroides subsp. mesenteroides (genotype 1) in different departments of Juan Canalejo Hospital in northwest Spain. During 2006, 6 inpatients, also in different departments of the hospital, became infected (genotypes 2-4). Parenteral nutrition was the likely source.

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Figures

Figure 1
Figure 1
Epidemic curve of distribution of Leuconostoc-infected patients throughout the period of study. Two different outbreak periods were detected, July 2003 through October 2004 (42 patients) and August through November 2006 (6 patients). The first outbreak period was caused by a single epidemic strain and the second one was caused by 3 different strains.
Figure 2
Figure 2
Band pattern obtained by pulsed-field gel electrophoresis of selected Leuconostoc mesenteroides subsp. mesenteroides (LM) isolates. Mw, molecular weight marker at indicated sizes; lines 1 to 9, representative LM isolates from the first outbreak (genotype 1); lines 10, 11, LM isolates obtained from parenteral nutrition catheter and blood from the same patient (genotype 2) and identical to those from 3 different patients infected in the second outbreak (data not shown); lines 12, 13, LM isolates from 2 different patients involved in the second outbreak (genotypes 3 and 4)
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