Wild Polio Virus
Weekly Up
d a t
e : Week Ending 28
August 2013 World Health Organization
New
polio
cases
reported
this
past week: 11 Total number of cases in 2012: 223
<!--[endif]-->Total
number
of
cases
in
2012
YTD:
128Total number of cases in 2013 YTD: 214
General
Polio
Headlines—28
August
2013
The outbreak of
wild poliovirus type 1
(WPV1) in the
Horn of Africa, which affects Somalia, Kenya and Ethiopia, has
spread into two
new states of
Somalia.In Israel, the number of sewage samples which have tested positive for WPV1 has reached 85; one sewage sample collected in West Bank and Gaza has tested positive for WPV1.
Endemic
Country
Headlines--Week
Ending 28
August 2013
Afghanistan:
No new
WPV case
were reported in
the past week. No
new circulating vaccine-‐ derived poliovirus type
2 (cVDPV2) cases were
reported in the
past week. The
total number of cVDPV2 cases in
2013 remains three. The
most recent cVDPV2 case
had onset of
paralysis on 13 March (from Kandahar, Southern Region).
Subnational immunization days
(SNIDs) were held
on 1-‐3 July, with
resources focusing on strengthening campaign quality in
Southern and Eastern Regions.
Nigeria: No new
WPV case were reported in
the past week. The
total number of
cVDPV2 cases for 2013 remains one
(with onset of
paralysis on 6
June, from Borno).
The next
subnational Immunization Plus Days
(IPDs) are planned across northern states in
September.
Pakistan:
One
new case
of WPV was
reported in the
past week, a
WPV1 from FR
Bannu in the
Federally Administered Tribal Areas, with
onset of paralysis on
27 July. This is
the most recent case
in the country and brings the total number of
WPV1 cases for 2013 to
25.
Horn
of
Africa:
(Non-endemic) 20 new
WPV1 cases were reported in
the past
week in Somalia and one in
Kenya. The total number of
WPV1 cases for 2013 is
142 (128 from Somalia, 13
from Kenya, 1
from Ethiopia). The
most recent WPV1 case in
the region had onset of paralysis on
30 July (from Somalia).
The outbreak is
spreading geographically in
Somalia, with two
new states reporting cases: Galgadud and Gedo. Anticipation of
this spread has
driven intense vaccination activities across the
country, in an effort to
raise
immunity.
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