ISLAMABAD: Polio virus has been found in Loralai district taking the number of districts hit by the virus to 45 in the current year as compared to last year when the number of infected districts was 28.
Moreover, the total number of positive environmental samples, for the current year, has reached 176 as compared to 126 samples last year.
According to an official of the polio programme, Regional Reference Laboratory for Polio Eradication at the National Institute of Health...