dominica2day: Nigeria to immunise 4.6 million children against polio (AFP) Nigeria to immunise 4.6 million children against polio (AFP) ================================================================================ Yahoo! News on 05 July, 2008 01:36:59 AFP - Nigerian health workers Saturday began house-to-house immunization of 4.6 million children under the age of five in the northern state of Kano in a new drive to eradicate the disease.