Pakistan, Aug. 12 -- The National Institutes of Health (NIH) confirmed poliovirus presence in 42 out of 117 sewage samples collected from 87 districts in Pakistan during July. This means nearly 36% of samples tested positive, slightly up from 32% in June. Despite a slight increase, officials say overall progress continues thanks to ongoing vaccination campaigns.

Sindh reported the highest number of positive samples with 19 out of 29, followed by Punjab with 12 positives, and Khyber Pakhtunkhwa (KP) with 7 positives out of 34. Balochistan saw a significant drop, with only one positive sample compared to four last month. Islamabad had 3 out of 4 samples test positive, while samples from Gilgit-Baltistan and Azad Jammu and Kashmir remained ...