title: Global update on vaccine-derived  polioviruses,  January 2006-August 2007.
mesh_terms: D002160:Cambodia / Q000453:epidemiology; D002681:China / Q000453:epidemiology; D004196:Disease Outbreaks / Q000517:prevention & control; D004534:Egypt / Q000453:epidemiology; D006801:Humans; D007492:Iran / Q000453:epidemiology; D007557:Israel / Q000453:epidemiology; D007730:Kuwait / Q000453:epidemiology; D002052:Myanmar / Q000453:epidemiology; D009549:Nigeria / Q000453:epidemiology; D011051:Poliomyelitis / Q000517:prevention & control*; D017955:Poliovirus; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D013593:Syria / Q000453:epidemiology
chemical_list: D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines