Poliomyelitis: need forcontinued vigilance.
D006801:Humans; D007114:Immunization; D007223:Infant; D007558:Italy; D008800:Mexico; D011051:Poliomyelitis / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated / Q000008:administration & dosage; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage; D013781:Texas; D006113:United Kingdom
D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral