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Microbiological investigation of a hospital outbreak of invasive group A streptococcal disease in Krakow, Poland

2010; Elsevier BV; Volume: 16; Issue: 9 Linguagem: Inglês

10.1111/j.1469-0691.2010.03139.x

1469-0691

Magdalena Strus, Artur Drzewiecki, Agnieszka Chmielarczyk, Anna Tomusiak, P. Romanek, Krzysztof Kosowski, Piotr Kochan, Mark van der Linden, Rudolf Lütticken, Piotr B. Heczko,

Bacterial Identification and Susceptibility Testing

The present study reports the epidemiological investigations undertaken in one of Krakow’s city hospitals regarding the source of infection and the routes of transmission of a group A streptococcus (Streptococcus pyogenes), using fluorescent in situ hybridization as a rapid method for detecting S. pyogenes carriage in the medical personnel involved. Four patients from the gynaecology department and two patients from the surgery department presented with clinical signs of infection. Characteristics of the S. pyogenes strains isolated from patients and from one medical staff member, including the emm gene and superantigens encoding genes, are described. All patients (four confirmed and two probable cases) survived; the operating theatre aid was identified as an S. pyogenes carrier and the source of the infections.