Background Helicobacter pylori infection is eradicated with antimicrobial agents and drug‐
resistant strains make successful treatment difficult. Geographical variations in virulence …

AIM To evaluate the association between virulence factor status and antibiotic resistance in
Helicobacter pylori (H. pylori)-infected patients in Ireland. METHODS DNA was extracted …

Abstract Objective: Surveillance data on Helicobacter pylori antibiotic susceptibilities in
Wales are limited, despite resistance being a key factor in treatment failure. A single-centre …

AIM: To characterise the cag pathogenicity island in Helicobacter pylori (H. pylori) isolates
by analysing the strains' vacA alleles and metronidazole susceptibilities in light of patient …

Objective Intra-specific diversity of Helicobacter pylori infecting stomachs of different
individuals was investigated by numerical analysis of amplified fragment length …

Objective. To assess the relationship between the presence of mixed infection of
Helicobacter pylori and both antimicrobial susceptibility and virulence markers. Material and …

Objectives We determined primary and secondary resistance rates of H. pylori in different
regions of Austria and potential bacterial and host factors associated with resistance …

Background In this study, we evaluated the prevalence of primary resistance of Brazilian H.
pylori isolates to metronidazole, clarithromycin, amoxicillin, tetracycline, and furazolidone. In …

Objectives We report on a large prospective, multicentre clinical investigation on inter-and
intrapatient genetic variability for antimicrobial resistance of Helicobacter pylori. Methods …

Background: Diversity in metronidazole susceptibility and genotypes of Helicobacter pylori
have been reported with varying results in different areas. Aims: To investigate the …