LAHORE: The sewage samples collected from Lahore and Rawalpindi tested positive for the polio virus on Monday.
The samples were drawn in May and the report issued by the National Institute of Health, Islamabad, on Monday confirmed that the virus was still circulating in the environment of these two populated cities.
The health authorities confirmed the development saying that the environment samples of Rawalpindi showed the resemblance to the virus of North Waziristan while those detected in Lahore resembled with the virus of Gadap Town and Gulshan-i-Iqbal, Karachi.
Published in Dawn, June 10th, 2014