FILE -- In this Jan. 25 , 2002 file photo, a Congolese child is given a polio vaccination at a relief camp near Gisenyi, Rwanda. The World Health Organization says Zambia has reported its first local case of polio since 1995 in a 2-year-old boy paralysed by a virus derived from the vaccine. (AP Photo/Karel Prinsloo, File)
A Congolese child is given a polio vaccination in Rwanda. AP Photo

Great strides to wipe out polio must continue