AfricaLink on Air - 28 July 2014To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoIsaac Mugabi07/28/2014July 28, 2014Cameroon boosts security after Boko Haram attacks+++ Liberia shuts its borders to contain the spread of Ebola+++On World Hepatitis Day, Ghana's health workers try to spread word about the diseasehttps://p.dw.com/p/1CktmAdvertisement