AfricaLink on Air - 22 July 2015: 0405 UTCAbu-Bakarr Jalloh07/22/2015July 22, 2015Burundians go to the polls as neighbouring countries worry about instability +++ Nairobi gets a spruce-up ahead of President Obama’s visit +++ Shortage of medication for HIV/Aids sufferers in Zimbabwehttps://p.dw.com/p/1G2DDAdvertisement