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Associated Press
A Somali mother and her baby wait in line to receive a five-in-one vaccine against several potentially fatal childhood diseases, at the Medina Maternal Child Health center in Mogadishu, Somalia Wednesday, April 24, 2013. On the eve of the Global Vaccine Summit in Abu Dhabi and coinciding with World Immunization Week, the authorities in Somalia, which has one of the lowest immunization rates in the world, launched the new deployment of a pentavalent vaccine against diphtheria, tetanus, whooping cough, hepatitis B, and haemophilus influenzae type B the bacteria that causes meningitis and pneumonia. (AP Photo/Ben Curtis)

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