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A source of health department told APP on Wednesday that the drive was being conducted in eight districts of Punjab including Lahore, Rawalpindi, Multan, DG Khan, Sheikhupura, Muzaffargarh, Rahim Yar Khan and Rajanpur.
He said that department had fixed a target to administer vaccine to 6.9 million children during the drive, while left over kids would be administered anti Polio drops during last two days of the drive.