Hamadan University of Medical Sciences Avicenna Journal of Environmental Health Engineering 2423-4583 10 2 2023 12 29 Wastewater-Based Epidemiology: Helicobacter pylori’s Gene in Wastewater and Its Prevalence Rate in Community 124 126 10.34172/ajehe.5403 EN Fathollah Gholami-Borujeni https://orcid.org/0000-0002-7329-7090 LETTER 10.34172/ajehe.5403 2023 08 24 2023 11 28