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The brick kilns - brick factories , that surround the city of Lucknow are high risk areas for polio transmition. The migrant workers who labor here have many young children and are targeted by mobile polio vaccination teams..Takurkila area near Lucknow..India has been engaged in a campaign to eradicate polio in India which target the high-risk area of Uttar Pradesh and Bihar with polio immunization drives every 2 months.  (photo Jean-Marc Giboux)