IntroductionThe WHO has classified Helicobacter pylori as a category 1 carcinogen and a major causative agent of gastrointestinal ulcers, gastric adenocarcinoma, and gastric lymphoma. While antibiotic
aThe primary schedule is evaluated using cases up to 14 months of age, after which most children have received a booster dose. The booster and 1 dose catch-up is evaluated with cases ≥14 months as it
Statistical analysis of a comparison of meningococcal serogroup A IgG concentrations obtained at the Vaccine Evaluation Unit (VEU), Public Health England and at five MenAfriCar centres.