South Sudan joined the global community in commemorating World Malaria Day on 25 April under the theme, "Invest in the future: Defeat Malaria". According to the World Health Organization, UNICEF and other partners fighting the disease, malaria accounts for two in every 10 deaths in the country. It is the leading cause of illness and death in children under five years. Photo: UNMISS/Martine Perret. Click for larger image.