POLIO CASES, FIRST QUARTER 2012

Sunday, 8th of April 2012

POLIO CASES, FIRST QUARTER 2012

Tables are below; tables and text are at http://www.polioeradication.org/Dataandmonitoring/Poliothisweek.aspx

Although global WPV incidence saw steep declines in January through March, there was little progress in Afghanistan, Pakistan and Nigeria, the three remaining endemic countries.

WPV Type 1 predominated; data on circulating vaccine derived poliovirus, not presented here, showed Type 2 to be predominant.

WIld Poliovirus (WPV) cases

Total cases	Year-to-date 2012	Year-to-date 2011	Total in 2011*
Globally	36	78	650
- in endemic countries	33	31	341
- in non-endemic countries	3	47	309

Case breakdown by country

Countries	Year-to-date 2012				Year-to-date 2011				Total in 2011*	Date of most recent case
Countries	WPV1	WPV3	W1W3	Total	WPV1	WPV3	W1W3	Total	Total in 2011*	Date of most recent case
Pakistan	13	1	1	15	24			24	198	11-Mar-12
Nigeria	10	3		13	3	2		5	62	25-Feb-12
Afghanistan	5			5	1			1	80	15-Feb-12
India					1			1	1	13-Jan-11
Chad	3			3	14	2		16	132	21-Feb-12
DR Congo					26			26	93	20-Dec-11
Angola					2			2	5	07-Jul-11
Niger						1		1	5	12-Dec-11
CAR									4	08-Dec-11
China									21	09-Oct-11
Guinea									3	03-Aug-11
Kenya									1	30-Jul-11
Côte d'Ivoire									36	24-Jul-11
Mali									7	23-Jun-11
Congo					1			1	1	22-Jan-11
Gabon					1			1	1	15-Jan-11
Total	31	4	1	36	73	5	0	78	650
Total in endemic countries	28	4	1	33	29	2	0	31	341
Total outbreak	3	0	0	3	44	3	0	47	309