Wild Poliovirus c VDPV 1 Cases 2 Previous

Wild Poliovirus & c. VDPV 1 Cases 2, Previous 12 Months 3 Wild poliovirus Country Nigeria Cameroon Equatorial Guinea Madagascar South Sudan Onset of most recent case Total WPV (All type 1) Onset of most recent case Total c. VDPV* 24 -Jul-14 4 16 -Nov-14 27 09 -Jul-14 2 NA 0 03 -May-14 1 NA 0 29 -Sep-14 1 NA 0 12 -Sep-14 2 24 -Jul-14 7 16 -Nov-14 30 Pakistan 17 -Mar-15 269 13 -Dec-14 9 Afghanistan 21 -Jan-15 25 NA 0 Somalia 11 -Aug-14 5 NA 0 17 -Mar-15 299 13 -Dec-14 9 AFR Wild poliovirus type 1 c. VDPV type 2 c. VDPV type 1 Endemic country c. VDPV EMR Global 17 -Mar-15 306 13 -Dec-14 39 *c. VDPV 1 in Madagascar, c. VDPV 2 in all other countries. NA: most recent case had onset of paralysis prior to rolling 12 months 1 c. VDPV is associated with ≥ 2 AFP cases or non-household contacts. VDPV 2 cases have ≥ 6 (≥ 10 for type 1) nucleotides difference from Sabin in VP 1. 2 Excludes viruses detected from environmental surveillance. 3 Onset of paralysis 15 April 2014 – 14 April 2015 Data in WHO HQ as of 14 April 2015 The boundaries and names shown and the designations used on this map do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement. © WHO 2015 All rights reserved

c. VDPV 1 Cases 2, Previous 6 Months 3 Onset of most recent case Number of districts Total c. VDPV (All type 2) Pakistan 13 -Dec-14 1 1 Nigeria 16 -Nov-14 3 4 Global 13 -Dec-14 4 5 Country c. VDPV type 2 Endemic country 1 c. VDPV is associated with ≥ 2 AFP cases or non-household contacts. VDPV 2 cases have ≥ 6 (≥ 10 for type 1) nucleotides difference from Sabin in VP 1. 2 Excludes viruses detected from environmental surveillance. 3 Onset of paralysis 15 October 2014 – 14 April 2015 Data in WHO HQ as of 14 April 2015 The boundaries and names shown and the designations used on this map do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement. © WHO 2015 All rights reserved