title: Surveillance systems to track progress towards polio eradication worldwide, 2015–2016.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D060740:Disease Eradication / Q000379:methods*; D005243:Feces / Q000821:virology; D014943:Global Health / Q000706:statistics & numerical data; D006801:Humans; D007753:Laboratories / Q000458:organization & administration / Q000592:standards; D009123:Muscle Hypotonia / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology; D010243:Paralysis / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control* / Q000635:transmission; D017955:Poliovirus / Q000302:isolation & purification; D011159:Population Surveillance / Q000379:methods*; D012722:Sewage / Q000821:virology
chemical_list: D012722:Sewage