title: Laboratory surveillance for wild and  vaccine-derived polioviruses, January  2006-June 2007. Addendum.
mesh_terms: D002160:Cambodia / Q000453:epidemiology; D006801:Humans; D007753:Laboratories; D002052:Myanmar / Q000453:epidemiology; D009548:Niger / Q000453:epidemiology; D009549:Nigeria / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control; D017955:Poliovirus / Q000302:isolation & purification*; D023321:Poliovirus Vaccines
chemical_list: D023321:Poliovirus Vaccines