Aeromonas hydrophila subsp. dhakensis--a causative agent of gastroenteritis imported into the Czech Republic.

Out of the twenty-one A. hydrophila complex isolates obtained during a routine examination of human diarrhoeal faeces, two A. hydrophila subsp.

Prevalence of ESBL-positive bacteria in the community in the Czech Republic.

Background: Problematic bacteria in the community include enterobacteria which produce extended-spectrum beta-lactamases. As yet there is no description of the prevalence of these bacteria in persons in the community in the Czech Republic. Therefore the main goal of this study was to determine the prevalence of ESBL-positive enterobacteria in the gastrointestinal tracts of subjects in the community in the Czech Republic.

Prevalence and spread of pseudomonas aeruginosa and Klebsiella pneumoniae strains in patients with hematological malignancies.

The aim of the study was to determine the prevalence of Pseudomonas aeruginosa and Klebsiella pneumoniae strains in patients with acute leukemias, to assess their clinical significance, and to define the sources and ways of their spread using genetic analysis. Thirty-four patients were investigated during the observed period. Twenty-one strains of Pseudomonas aeruginosa and 35 strains of Klebsiella pneumoniae were isolated from patient samples.