title: Environmental factors.
mesh_terms: D000047:Academies and Institutes / Q000458:organization & administration; D015984:Causality; D003140:Communicable Disease Control; D003141:Communicable Diseases / Q000453:epidemiology / Q000209:etiology; D004782:Environmental Health / Q000458:organization & administration*; D006801:Humans; D007597:Jordan; D019083:Mediterranean Region / Q000453:epidemiology; D008877:Middle East / Q000453:epidemiology; D012041:Regional Medical Programs / Q000458:organization & administration*; D014944:World Health Organization / Q000458:organization & administration*