1. Monthly Distribution of Wild Poliovirus Cases1, 2013-20172
WPV type 1
Number of Wild Poliovirus Cases
2013
2014
2017
2016
2015
1By date of onset of paralysis. Cases with onset in January 2018 will be reflected in the next update.
2No WPV2 nor WPV3 cases were reported in
Data in WHO HQ as of 13 February 2018

2. Ambiguous Vaccine-derived Poliovirus (aVDPV)1 Cases, 2008-2017
1For aVDPV definition see : Figure includes only aVDPV positives from AFP case reporting.
Data in WHO HQ as of 13 February 2018

3. Non-polio AFP Rate January 2016 – December 2016
< 0.5
> 1
No AFP Surveillance/data
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 All rights reserved
Data in WHO HQ as of 13 February 2018

4. Adequate Stool Collection Percentage
January 2016 – December 2016
January 2017 – December 2017
< 60%
60% %
> 80%
No AFP Surveillance/data
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 All rights reserved
Data in WHO HQ as of 13 February 2018

5. Surveillance Indicators, AFRO and EMRO
January 2017 – December 2017 (Rolling 12 months)
Non-polio AFP rate
< 1
1 – 1.99
>= 2
Adequate stool collection percentage
< 50%
50 – 79.99%
>= 80%
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 All rights reserved
Data in WHO HQ as of 13 February 2018

6. Surveillance Indicators, AFRO and EMRO
July 2017 – December 2017 (Rolling 6 months)
Non-polio AFP rate
< 1
1 – 1.99
>= 2
Adequate stool collection percentage
< 50%
50 – 79.99%
>= 80%
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 2017 All rights reserved
Data in WHO HQ as of 13 February 2018