Delivering vaccines around South Sudan is more expensive than the cost of the jab itself.
Record-breaking long-distance runner Agnes Tirop was found stabbed to death at her home on Wednesday.
Abu Musab al-Barnawi was the head of the West African branch of the Islamic State group.
Julius Yego, Kenya's former athletics captain, and world champion Hellen Obiri lead tributes to Agnes Tirop, who was found dead on Wednesday.
South Africa fans celebrate being back in a stadium after an 18-month absence as 2,000 fans attend a match against Ethiopia.
A manhunt is under way for Masten Wanjala who confessed to killing more than 10 children.
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