A polio case has been reported in the district, which is the first this year in the Frontier province. The victim is 18-month-old Niamatullah, son of Musa Jan, of the Azakhel village, Nowshera. Health officials said the stool sample of the child had been sent to laboratory on April 27, and the report confirmed the child positive for polio. The provincial health department has announced to conduct a three-day mop up campaign from May 22 in areas surrounding the Nowshera district, including Mardan, Peshawar, Swabi, Malakand region and the Khyber Agency. An official of the World Health Organisation said parents should understand the importance of additional doses and should not believe in misconceptions about additional doses and health risks attached to it. He asked paediatricians to inform parents about the importance of strengthening children's immunity levels by giving them multiple doses during every campaign. He said the only way to protect children from the crippling ailment was to make it sure that every child was vaccinated in every campaign and they received all routine and extra doses. APP adds: Emergency was declared in hospitals and special precautionary measures were taken after the detection of the polio case in the district. Dr Shoaib, in-charge of the Expanded Programme on Immunisation (EPI), told journalists that the victim had been administered polio drops for nine months after which he had gone to Afghanistan. He said three families with 25 children of less than five years of age were living in the house of Musa Jan and they had been informed about precautionary measures.