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. 2003 Aug;77(15):8366–8377. doi: 10.1128/JVI.77.15.8366-8377.2003

FIG. 1.

FIG. 1.

Geographic distribution of polio cases in Egypt associated with type 2 cVDPV from 1988 to 1993. Individual cVDPV cases, represented by filled circles, are mapped by governorate (2 of the 30 cVDPV isolates were not mapped because their source governorates were not recorded). cVDPV cases occurring in different years are differentiated by increasing thickness of circle rims from 1988 to 1993. OPV-like isolates (>99% VP1 sequence identity to Sabin 2) from AFP cases with onset from 1995 to 2000 are identified by open circles. Governorate abbreviations: AL, Alexandria; AW, Aswan; AY, Asyut; BH, Behaira; BS, Beni Suef; CR, Cairo; DQ, Daqahliya; DM, Damietta; FY, Fayyum; GB, Gharbiya; GZ, Giza; IS, Ismailiya; KS, Kafr El-Sheikh; MF, Menufiya; MT, Matrouh; MY, Minya; NS, North Sinai; NV, New Valley; PS, Port Said; QL, Qalyubiya; QN, Qina; RS, Red Sea; SH, Sohag; SQ, Sharqiya; SS, South Sinai; SZ, Suez.