Fig. 1From: Emergence of multidrug-resistant Providencia rettgeri isolates co-producing NDM-1 carbapenemase and PER-1 extended-spectrum β-lactamase causing a first outbreak in KoreaTime course of the outbreak by multidrug-resistant Providencia rettgeri. Black bars indicate the pre-infection period and gray bars the post-infection period in the surgical intensive care unit. Solid lines indicate the period during patients was hospitalized in a general wardBack to article page