FREETOWN, April 25, 2018 --- This week, 23rd-29th April, is African and Global Vaccination Week, when the World Health Organization joins partners, health workers and communities across the world to celebrate the critical role of vaccines in promoting child health and survival. The week has been gazetted by world leaders at the World Health Assembly and the African Regional Committee to promote and champion vaccinations, as one of the most important, cost-effective interventions for saving children’s lives, and keeping adults, communities and nations, healthy.