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Polio this week as of 20 March 2019

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  • Following cyclone Idai’s landfall in Mozambique, accessibility in many areas remains a challenge, particularly Beira City. However, outside of Beira, polio outbreak response is ongoing in Zambezia.

  • Summary of new viruses this week: Afghanistan—five wild poliovirus type 1 (WPV1)-positive environmental samples; Pakistan – seven WPV1-positive environmental samples; Nigeria— one circulating vaccine-derived poliovirus type 2 (cVDPV2) case and seven cVDPV2-positive environmental samples; Niger—five cVDPV2-positive community contact samples; Indonesia—one cVDPV1-positive isolate from a healthy community contact. See country sections below for more details.