What Is <span class="hpylori-bold">H. pylori<span class="hpylori-bold">?
H. pylori—a common chronic infection1
H. pylori is a spiral-shaped, gram-negative bacterium found in the gastric mucosa or adherent to the epithelial lining of the stomach.2 H. pylori infection is linked to a number of important upper gastrointestinal (GI) conditions, including chronic gastritis, peptic ulcer disease, and gastric cancer.*3
Nearly 1 in 3 adults and 25% of children† in the United States are affected by H. pylori4,5
Nearly 6 out of 10 Americans born outside of the United States are infected with H. pylori6
About 5 out of 10 Americans over the age of 50 are infected with H. pylori7
Nearly 1/3 of patients in North America who are examined for dyspepsia are infected with H. pylori.7
*Global occurrence rates are undetermined for dyspepsia, 10%-15% for ulcers, and ~1% for gastric cancer.8
†Data from the National Health and Nutrition Examination Survey (NHANES) III of children ages 6 to 19 years.