High incidence of antibiotic resistance amongst isolates of collected in Nottingham, UK, between 2001 and 2018.

is the leading cause of peptic ulcers and gastric cancer. The most common treatment regimens use combinations of two or three antibiotics and a proton pump inhibitor (PPI) to suppress stomach acid. The World Health Organization designated clarithromycin-resistant as a high priority pathogen for drug development, due to increasing antibiotic resistance globally.