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VARANASSI, UTTAR PRADESH, INDIA, FEBRUARY 22, 2004 : Children walk past Polio Immunization day posters during the National Immunization Days in Varanassi, on February 22, 2004. India confirmed 1600 polio cases in 2002 , most of them in the states of Bihar and Uttar Pradesh. India is trying to eliminate polio transmition by 2005 with agressive vaccination campaigns targetting at risk areas. (Photo Jean-Marc Giboux)