West Nile Surveillance Results Archive

2008 2007 2006 2005 2004 2003

2007 West Nile Virus Surveillance Results

2007 Human West Nile Virus Surveillance Results - Final Results
Regional Health Authority	West Nile Neurological Syndrome (severe symptoms)	West Nile Non-Neurological Syndrome (mild symptoms)	WNV Asymptomatic (no symptoms)	Cases under Investigation	Total
Cypress	16	94	10		120
Five Hills	7	103	3		113
Heartland	11	118	12		141
Kelsey Trail	2	3	1		6
Prairie North	5	48	7		60
Prince Albert Parkland		24	2		26
Regina Qu'Appelle	10	312	93		415
Saskatoon	36	304	16		356
Sun Country	11	101	17		129
Sunrise	15	65	10		90
Athabasca					0
Keewatin Yatthé					0
Mamawetan Churchill River					0
TOTAL	113	1172	171	0	1456

*West Nile Virus was reported as having been contributory in the deaths of six individuals with underlying medical conditions.

Other Surveillance Results for 2007
Regional Health Authority	Positive Mosquito Pools	Horses
Cypress	31	5
Five Hills	20	1
Heartland	44	2
Kelsey Trail	5*	4
Prairie North	13*	11
Prince Albert Parkland		9
Regina Qu'Appelle	7	6
Saskatoon	97	7
Sun Country	219*	1
Sunrise	24	5
Athabasca		6
Keewatin Yatthe
Mamawetan Churchill River
TOTAL	460	57

* 3 of the positive pools from Prairie North are Lloydminster. Also reported in Alberta results
* 1 positive Cx. restuans pool is from Kelsey Trail week 27
* 2 positive Cx. restuans pools is from Sun Country week 32
* 1 positive Cs. inornata pool is from Sun Country week 35
* 1 positive Cs. inornata pool is from Sun Country week 36

2006 Human West Nile Virus Surveillance Results

2006 Human West Nile Virus Surveillance Results - December 2006
Regional Health Authority	^West Nile Neurological Syndrome (severe Symptoms)	^ West Nile Non-Neurological Syndrome (mild symptoms)	WNV Asymptomatic (no symptoms)	Cases under Investigation	Total
Cypress			1		1
Five Hills		1			1
Heartland				1	1
Kelsey Trail
Prairie North		2			2
Prince Albert Parkland
Regina Qu'Appelle		1			1
Saskatoon	1	2			3
Sun Country	1	2		6	9
Sunrise		1		1	2
Athabasca
Keewatin Yatthe
Mamawetan Churchill River
TOTAL	2	9	1	8	20

Other Surveillance Results for 2006
Regional Health Authority	Positive Mosquito Pools	Horses
Cypress	3
Five Hills	1
Heartland	1
Kelsey Trail
Prairie North
Prince Albert Parkland
Regina Qu'Appelle
Saskatoon	2
Sun Country	29
Sunrise
Athabasca
Keewatin Yatthe
Mamawetan Churchill River
TOTAL	36	0

2005 Human West Nile Virus Surveillance Results

2005 Human West Nile Virus Surveillance Results
Regional Health Authority	West Nile Neurological Syndrome (severe Symptoms)	West Nile Non-Neurological Syndrome (mild symptoms)	WNV Asymptomatic (no symptoms)	West Nile Virus with unspecified manifestation	Total
Cypress		3			3
Five Hills		6			6
Heartland		2	1		3
Kelsey Trail					0
Prairie North					0
Prince Albert Parkland					0
Regina Qu'Appelle	3	16	1		20
Saskatoon	1	4			5
Sun Country	1	16			17
Sunrise	1	5			6
Athabasca					0
Keewatin Yatthe					0
Mamawetan Churchill River					0
TOTAL	6	52	2	0	60

Three deaths in RQHR have been attributed to WNNS

Other Surveillance Results for 2005
Regional Health Authority	Positive mosquito pools	Birds	Horses
Cypress	8	2	1
Five Hills	3		2
Heartland	2
Kelsey Trail	3		2
Prairie North	1
Prince Albert Parkland		1
Regina Qu'Appelle	10	8	1
Saskatoon	12	2	2
Sun Country	63	1	2
Sunrise	8
Athabasca
Keewatin Yatthe
Mamawetan Churchill River
TOTAL	110	14	10

2004 Human WNV Surveillance Results

2004 Human WNV Surveillance Results
Regional Health Authority	West Nile Neurological Syndrome WNNS	West Nile fever WNF	WNV Asymptomatic (no symptoms)	West Nile Virus with unspecified manifestation	Total
Cypress		1			1
Five Hills		2			2
Heartland					0
Kelsey Trail					0
Prairie North					0
Prince Albert Parkland					0
Regina Qu'Appelle		1			1
Saskatoon					0
Sun Country		1			1
Sunrise					0
Athabasca					0
Keewatin Yatthe					0
Mamawetan Churchill River					0
TOTAL		5

Further laboratory testing shows that five probable WNV cases reported in 2004 were infected prior to the 2004 season. These cases have been added to the 2003 statistical table.

Other Surveillance Results for 2004
Regional Health Authority	Positive mosquito pools	birds
Cypress	4
Five Hills	1	2
Heartland	2
Kelsey Trail	1	1
Prairie North	1
Prince Albert Parkland	1	7
Regina Qu'Appelle		9
Saskatoon		9
Sun Country	18
Sunrise	2	1
Athabasca
Keewatin Yatthe
Mamawetan Churchill River
TOTAL	30 out of 2047 tested	29 out of 362 tested

2003 Human WNV Surveillance Results

2003 Human WNV Surveillance Results
Regional Health Authority	West Nile Neurological Syndrome WNNS	West Nile fever WNF	WNV Asymptomatic (no symptoms)	West Nile Virus with unspecified manifestation	Total
Cypress	5	138		9	152
Five Hills	15	205	3	2	225
Heartland	11	80		2	93
Kelsey Trail	1	1			2
Prairie North		10		1	11
Prince Albert Parkland		7	1		8
Regina Qu'Appelle	15	236	3	2	256
Saskatoon	5	57			62
Sun Country	6	93	1		100
Sunrise	5	31	2		38
Athabasca
Keewatin Yatthe
Mamawetan Churchill River
TOTAL	63	858	10	16	947

As of April 6, 2005 there were 937 clinical confirmed cases of West Nile Virus and 10 asymtomatic for a total of 947 cases. These cases include seven deaths. West Nile Virus is reported as having been causative in four of the deaths and contributory in the remaining three. Most people with West Nile fever will fully recover; however, people with serious symptoms of the disease may develop longer lasting effects.

Other Surveillance Results for 2003
	Positive mosquito pools	Birds	Horses
TOTAL	37	157	133