Rawalpindi, Dec. 13 -- Ahead of the final anti-polio vaccination drive of 2025, two environmental samples collected in Rawalpindi district have tested positive for poliovirus, raising fresh focus on containment efforts as the four-day campaign begins from December 15 to December 18.

According to Dawn, the poliovirus was detected in samples collected by the World Health Organization from a nullah in Safdarabad near Pirwadhai and from Dhoke Dalal, an area located along the Rawalpindi-Islamabad border.

Health authorities said the findings emerged as preparations were being finalised for the year's last vaccination round.

District Health Authority Chief Executive Officer Ehsan Ghani told Dawn that the detected virus was genetically linked ...