Minnesota West Nile Virus Monitoring
Final Summary - 2002
Confirmed Findings
Kittson
4 Horses
48 Humans (31 counties)
992 Horses (84 counties)
342 Birds (67 counties)
- Crow (224)
- Blue Jay (40)
- Other/Unknown (78)
Roseau
2 Humans
10 Horses
Lake of the Woods
2 Horses
Marshall
9 Horses
1 Bird
Koochiching
2 Horses
Pennington
1 Human
8 Horses 1 Bird
Beltrami
8 Horses
1 Bird
Cook
Clearwater
4 Horses
1 Bird
Red Lake
4 Horses
1 Bird
Norman
2 Humans
8 Horses
1 Bird
Hubbard
6 Horses
Cass
5 Horses
Becker
1 Human
17 Horses
1 Bird
Aitkin
1 Horse
1 Bird
Wadena
15 Horses
1 Bird
Wilkin
1 Human
4 Horses
3 Birds
Grant
2 Humans
6 Horses
1 Bird
Douglas
1 Human
23 Horses
Stevens
1 Human
3 Horses
2 Birds
Pope
11 Horses
3 Birds
Swift
1 Human
8 Horses
1 Bird
Todd
29 Horses
Yellow Medicine
6 Horses
2 Birds
Lincoln
3 Horses
3 Birds
Lyon
11 Horses
3 Birds
Pipestone
15 Horses
2 Birds
Murray
19 Horses
2 Birds
Rock
1 Human
1 Horse
3 Birds
Nobles
2 Humans
7 Horses
8 Birds
Renville
12 Horses
1 Bird
Wright
1 Human
67 Horses
4 Birds
Carver
2 Humans
15 Horses
6 Birds
Sibley
8 Horses 1 Bird
Redwood
1 Human
9 Horses
1 Bird
Cottonwood
13 Horses
4 Birds
Jackson
11 Horses
4 Birds
Human cases
Sherburne
28 Horses
5 Birds
McLeod
3 Humans
10 Horses
3 Birds
Brown
12 Horses
1 Bird
Watonwan
1 Human
9 Horses
2 Birds
Nicollet
3 Horses
2 Birds
Faribault
8 Horses
3 Birds
Isanti
1 Human
14 Horses
2 Birds
Anoka
2 Humans
21 Horses
30 Birds
Hennepin
4 Humans
31 Horses
87 Birds
Scott
1 Human
30 Horses
7 Birds
Le Sueur
8 Horses
2 Birds
Blue Earth
12 Horses
1 Bird
Martin
13 Horses
2 Birds
Legend
Kanabec
4 Horses
1 Bird
Benton
15 Horses
1 Bird
Meeker
20 Horses
3 Birds
Pine
2 Horses
3 Birds
Mille Lacs
16 Horses
1 Bird
Morrison
1 Human
14 Horses
2 Birds
Stearns
35 Horses
10 Birds
Kandiyohi
1 Human
10 Horses
4 Birds
Chippewa
1 Human
14 Horses
1 Bird
Lac Qui Parle
1 Human
11 Horses
2 Birds
Carlton
3 Horses
Crow Wing
1 Human
9 Horses
Otter Tail
49 Horses
4 Birds
Big Stone
6 Horses
2 Birds
Lake
Mahnomen
6 Horses
Clay
2 Humans
26 Horses
10 Birds
Traverse
3 Horses
St. Louis
2 Horses
6 Birds
Itasca
1 Horse
No reported WNV activity
Ramsey
1 Horse
37 Birds
Dakota
3 Humans
24 Horses
12 Birds
Rice
2 Humans
11 Horses
2 Birds
Waseca
12 Horses
2 Birds
Horses and/or bird cases
Chicago
6 Horses
4 Birds
Washington
19 Horses 8 Birds
Polk
1 Human
6 Horses
Steele
3 Horses
1 Bird
Freeborn
10 Horses
1 Bird
Goodhue
15 Horses
3 Birds
Dodge
8 Horses
Mower
3 Humans
7 Horses
1 Bird
Wabasha
8 Horses
2 Birds
Winona
7 Horses
1 Bird
Olmsted
6 Horses
4 Birds
Fillmore
19 Horses
Houston
2 Horses
Map Interpretation
Geographic variation of WNV-infected
humans, horses, and birds reflect, in
part, population density, awareness of
WNV, location of farms and stables,
and total number of birds submitted
for testing
0
25
50
100
150
200
Miles