A young Somali refugee gets vaccinated a

A young Somali refugee gets vaccinated at a paediatric vaccination centre at Hagadere refugee site within the Dadaab refugee complex in Kenya's north-east province on August 1, 2011. The children of Somali refugees who have arrived in Kenyan in great number recently are being vaccinated against polio and measles. An estimated 3.7 million people in Somalia -- around a third of the population -- are on the brink of starvation and millions more in Djibouti, Ethiopia, Kenya and Uganda have been affected by the worst drought in the region in 60 years. AFP PHOTO/Tony KARUMBA (Photo credit should read TONY KARUMBA/AFP via Getty Images)