In the build up to a national campaign dubbed “National Immunisation Days Against Polio, Round 7”, Southwest Regional Chief of Social Mobilisation in the Delegation of Public Health, Olivia Ateba at a press briefing in Buea, said from Friday August 1-3 2014, a massive vaccination of children 0 – 5 years old against polio will be carried out across the Southwest Region and Cameroon in general.