But do we have other options?
Vashishtha
Vipin M
VM
D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration; D007194:India; D011051:Poliomyelitis / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*
D011055:Poliovirus Vaccine, Oral