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Abstract
The aim of our study is to identify the most common bacterial strains that are responsible for antibiotic-resistance in lower respiratory tract infections in children, and their antibiotic sensitivity patterns.
Subject and Methods: This study was carried out in pediatric and microbiology departments, Faculty of Medicine, Zagazig University between July 2006 and July 2007. Fifty patients were included in this study, 26 males and 24 females. Their ages ranged from 2-12 years.
Results: Ninety percent of our cases had monomicrobial infection; no cases had polymicrobial infection while 10% had –ve culture growth. In the present study out of twelve Klebsiella pneumonia isolates, 8 isolates (66.6%) were found to be ESBL producers and 4 isolates (33, 7%) were negative for ESBL production.