Mass polio vaccination.
Chander
J
J
Subrahmanyan
S
S
D014943:Global Health; D006801:Humans; D017589:Immunization Programs; D015994:Incidence; D011051:Poliomyelitis / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated; D014611:Vaccination
D011054:Poliovirus Vaccine, Inactivated