A health worker administers a polio vaccine to a child during a nationwide drive against the disease in a hospital in Islamabad

 
A health worker administers a polio vaccine to a child during a nationwide drive against the disease in a hospital in Islamabad
A health worker administers a polio vaccine to a child during a nationwide drive against the disease in a hospital in Islamabad August 8, 2007. REUTERS/Faisal Mahmood