Nigeria postpones programme of polio immunisation.
Raufu
Abiodun
A
D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration*; D007514:Islam; D009549:Nigeria; D011051:Poliomyelitis / Q000517:prevention & control*; D023321:Poliovirus Vaccines
D023321:Poliovirus Vaccines