Helicobacter pylori (H. pylori) is a Gram-negative bacillus that causes infections worldwide. Helicobacter pylori's drug resistance and infectivity are vital factors causing Helicobacter pylori infection. The virulence factors of Helicobacter pylori include acid escape virulence factors and epithelial cell colonizing factors, which can directly or indirectly cause chronic gastritis or gastric ulcer. As the resistance of Helicobacter pylori increases, a combination of multiple antibiotics is now the recommended therapy, and clarithromycin is one of them. The production process of clarithromycin and its effectiveness are essential points of discussion.
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Yang Chen (2024) studied this question.
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