O lenei pusa o loʻo faʻaaogaina mo in vitro qualitative suʻesuʻega o le helicobacter pylori nucleic acid i le gastric mucosal biopsy tissue samples poʻo faʻataʻitaʻiga faʻataʻitaʻi o tagata mamaʻi masalomia o loʻo aʻafia i le helicobacter pylori, ma maua ai se fesoasoani mo le suʻesuʻeina o tagata mamaʻi i le maʻi Helicobacter pylori.