Polio this week, at 6^th March 2018

Summary of newly-reported viruses to date:

Afghanistan: One new wild poliovirus type 1 (WPV1) positive environmental sample has been reported in Nangarhar province. Pakistan: Two new WPV1 positive environmental samples have been reported, one collected in Sindh province, and one in Punjab province. Democratic Republic of the Congo: One case of circulating vaccine-derived poliovirus type 2 (cVDPV2) reported, from Tanganyika province.

 

Wild poliovirus (WPV) type 1 and Circulating vaccine-derived poliovirus (cVDPV) cases

Total cases	Year-to-date 2018		Year-to-date 2017		Total in 2017
	WPV	cVDPV	WPV	cVDPV	WPV	cVDPV
Globally	3	0	3	0	22	96
—in endemic countries	3	0	3	0	22	0
—in non-endemic countries	0	0	0	0	0	96

 

Case breakdown by country

Countries	Year-to-date 2018		Year-to-date 2017		Total in 2017		Onset of paralysis of most recent case
	WPV	cVDPV	WPV	cVDPV	WPV	cVDPV	WPV	cVDPV
Afghanistan	3	0	2	0	14	0	6 Jan 2018	NA
Democratic Republic of The Congo	0	0	0	0	0	22	NA	22 Dec ‘17
Pakistan	0	0	1	0	8	0	15 Nov ‘17	NA
Syrian Arab Republic	0	0	0	0	0	74	NA	21 Sep 2017