Difficulties in polio eradication.
Furesz
J
J
D005618:Fresh Water / Q000821:virology*; D005838:Genotype; D006801:Humans; D007564:Japan; D011051:Poliomyelitis / Q000517:prevention & control / Q000635:transmission* / Q000821:virology; D017955:Poliovirus / Q000235:genetics / Q000302:isolation & purification*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage / Q000009:adverse effects; D012307:Risk Factors; D012722:Sewage / Q000821:virology*
D011055:Poliovirus Vaccine, Oral; D012722:Sewage