End Polio Now Position - 23rd May 2017
Highlights and global details:
No new wild polio virus cases have been confirmed this week but four cVDPV2 cases arose in the Democratic Republic of Congo (DRC). Nine WPV1 positive environmental samples were collected worldwide. (Seven samples from Pakistan, one from Afghanistan and the other from the DRC.)
The most recent report of a WPV1 case was on 28 March though the onset of polio was on 21 February. For polio certification purposes the start date will be that of the onset of paralysis.
|2017 to 23 May||5||4|
|2016 to similar date||16||3|
|2016 full year||37||7|
The most recent WPV1 cases with onset of paralysis were:
• In Afghanistan - 21 February 2017.
• In Pakistan - 13 February 2017.
• In Nigeria - 21 August 2016.