Polio this week of November 25,  2015
 

World polio Update

 In 2015, wild poliovirus transmission is at the lowest levels ever, with fewer cases reported from fewer areas of fewer countries than ever before. In 2015, 57 wild poliovirus cases have been reported from two countries (Pakistan and Afghanistan), compared to 305 cases from nine countries during the same period in 2014. 

  • PakistanOne new wild poliovirus type 1 (WPV1) case was reported in the past week, with onset of paralysis on 1 November. It is the most recent WPV1 case in the country, from Kamari town, Karachi, Sindh. The total number of WPV1 cases for 2015 is now 41
  •  
  • Afghanistan:. No new wild poliovirus type 1 (WPV1) cases were reported in the past week. The most recent case had onset of paralysis on 27 October, from Nangarhar. The total number of WPV1 cases for 2015 remains 16.

Countries

YTD 2015

YTD 2014

Total 2014

Onset Most Recent Case

WPV

cVDPV

WPV

cVDPV*

WPV

cVDPV

WPV

cVDPV

Pakistan

41

2

259

20

306

 22

Nov. 2015

Dec. 2014

Afghanistan

16

0

  21

 0

  28

  0

Oct. 2015

N/A

Nigeria

0

1

   6

23

   6

30

July 2014

May 2015

 
* 1 case not reported.
 
Wild poliovirus type 1 (WPV) and Circulating vaccine-derived poliovirus cases (cVDPV)
Total Cases
YTD 2015
YTD 2014
Total 2014
WPV
cVDPV
WPV
cVDPV
WPV
cVDPV
Globally
57
20
305
47
359
56
Endemic Countries
57
  2
286
44
340
52
Non-endemic countries
0
18 
 19
 3
19
4