Table 1

 Characteristics of the donor and test strain of Helicobacter pylori

HBV, hepatitis B virus; HCV, hepatitis C virus; HIV, human immunodeficiency virus; RPR, rapid plasma repgin.
    cag pathogenicity island negative
    CagA protein negative
    vacA s1c-m1 type
    Vacuolating cytotoxin produce
    iceA2 allele
    babA2 positive
    oipA functional (no frame shift)
    Catalase, oxidase, urease positive
    Gram stain negative
    Rod shaped to spiral or curved cellular morphology
    Sensitive to amoxicillin, tetracycline, clarithromycin, and metronidazole
    Mild histological gastritis
    No intestinal metaplasia
    No history of ulcer and negative endoscopy
    Negative tests for HBV, HCV, HIV, and RPR negative