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Table 1 Districts within Pakistan where environmental sampling had been initiated between January 2011 – August 2015 and associated information on: neighbouring districts, population size, number of sampling sites, number of samples containing WPV, and cases of poliomyelitis

From: Population sensitivity of acute flaccid paralysis and environmental surveillance for serotype 1 poliovirus in Pakistan: an observational study

District Neighbours Total population size (‘000) Environmental sampling AFP surveillance and poliomyelitis cases
Sites First sampled Total WPVa (%) non-polio AFP rateb Poliomyelitis cases
  District Neighbours District Neighbours District Neighbours
DIKhan Bhakkar, Dera Ghazi Khan, Lakki Marwat, Layyah, Mianwali, Musakhel, Sharani, Tank, South Waziristan 1233 10,170 3 Oct-14 28 4 (14.3) 11.5 17.4 0 43
Peshawar Charsada, Khyber, Kohat, Mohmand, Nowshera, Charsada, Khyber, Kohat, Mohmand, Nowshera, Peshawar, Kohat, FR Kohat, FR Peshawar 2556 7097 2 Jan-11 117 85 (72.6) 17.7 24.9 55 593
Islamabad Haripur, Rawalpindi 1303 6379 1 Mar-14 18 2 (11.1) 2.6 5.6 0 0
Rawalpindi Abotabad, Attock, Bagh, Chakwal, Haripur, Islamabad, Jhelum, Kotli, Mirpur, Poonch, Sudnuti 3779 17,747 2 Jan-11 76 34 (44.7) 6 7.3 0 4
Lahore Kasur, Nankana Sahib, Sheikupura 5946 14,529 3 Jan-11 216 67 (31) 6 6.4 1 2
Faisalabad Hafizabad, Nankanasahib, Okara, Sahiwal, Toba Tek Singh, Jhang, Chiniot 6597 20,274 3 Sep-12 96 2 (2.1) 6.6 8.3 0 4
Multan Bahawalpur, Khanewal, Lodhran, Muzfargarh 4033 15,157 3 Jan-11 168 33 (19.6) 10 11 0 3
Sukkur Ghotki, Kashmore, Khairpur, Shikarpur 1113 6302 2 Apr-12 81 17 (21) 10.1 14.5 1 2
Hyderabad Jamshoro, Matiari, T Allahyar, Thatta, Tando Muhammad Khan 1846 5628 1 Jul-12 38 21 (55.3) 4.6 9.7 0 0
Baldia (Karachi) Kamari, Orangi, Site 462 2457 2 Jan-11 113 29 (25.7) 9.3 5.6 5 7
Gadap (Karachi) Jamshoro, Binqasim, Gulshan Iqbal, Gulberg, Kamari, Malir, North nazim, North Karachi, Orangi, Site, Lasbela 429 7633 3 Jan-11 141 75 (53.2) 25 8.1 14 15
Gulshan Iqbal (Karachi) Gadap, Gulberg, Jamsheed, Lliaqat, Malir, Shahfaisal 1094 5057 2 Jan-11 112 40 (35.7) 7.6 43.2 2 15
Quetta Killah Abdulah, Mastung, Noshki, Pishin, Ziarat, Harnai 1724 2916 3 Jan-11 147 51 (34.7) 11.1 12.4 27 59
Killah Abdullah Pishin, Quetta 389 2504 2 Oct-14 22 8 (36.4) 14.6 12.5 11 7
  1. aWild poliovirus isolation (in environmental samples) containing serotype 1 - WPV
  2. bper 100,000 children under 15 years old