“…Among these pathogens are bacteria, such as Helicobacter pylori, Mycobacterium tuberculosis, Treponema pallidum and Histoplasma capsulatum, and viruses, such as cytomegalovirus, which causes gastric granulomas in patients with poor nutrition, alcoholism, HIV and other conditions triggered by immune suppression (Wang and Peura, 2011). Several enteric nematodes can be transmitted orally, such as Anisakis simplex, Pseudoterranova decipiens and Strongyloides stercoralis (Ozturk et al 2011).…”