The Expanded Programme on Immunisation (EPI) confirmed two polio cases on Thursday, bringing this yearÂ’s total to seven. EPI-Sindh sources said the National Institute of Health confirmed three-year-old Shoaib from Naushero Feroze and four-year-old Ashfaq Ahmed from Jacobabad had polio. Shoaib had no routine vaccine, but received 19 during a national campaign. Ashfaq had 21 vaccines.