Summary of Tick Testing Results for 1997
A total of 2,987 ticks feeding on humans were submitted for identification in 1997. Of these, 2,684 were tested for the presence of Borrelia burgdorferi, the causative organism of Lyme disease, and 531 (19.8%) were found to carry this organism. The species names and numbers of specimens received, tested, and found positive are shown in the table below.
Name of Species |
Common Name |
Number Received |
Number Tested |
Number Positive |
Ixodes scapularis | Black-legged ("deer") Tick | 2818 |
2633 |
529 |
Dermacentor variabilis | American Dog Tick | 114 |
0 |
0 |
Amblyomma americanum | Lone Star Tick | 45 |
42 |
1 |
Ixodes cookei | 7 |
6 |
0 |
|
Rhipicephalus sanguineus | Brown Dog Tick | 1 |
1 |
0 |
Ixodes pacificus (acquired in California |
1 |
1 |
1 |
|
Ixodes (species could not be determined) | 1 |
1 |
0 |
The number of ticks submitted from each town, and the number infected, are summarized by town. Towns in parentheses are those towns served by regional health districts with headquarters in the town listed.
Town |
Total Submitted |
Total Tested |
Total |
Ansonia | 3 |
1 |
1 |
Avon (Barkhamsted, Canton, Colebrook, East Granby, Farmington, Granby, Hartland, New Hartford, Simsbury) | 33 |
29 |
3 |
Barkhamsted | 1 |
1 |
1 |
Beacon Falls | 1 |
1 |
0 |
Berlin | 3 |
3 |
0 |
Bethany | 10 |
10 |
2 |
Bethel | 19 |
18 |
6 |
Bolton | 1 |
1 |
0 |
Branford (East Haven, North Branford) | 68 |
33 |
8 |
Bridgeport | 7 |
5 |
0 |
Bridgewater (Roxbury) | 6 |
4 |
1 |
Bristol | 8 |
1 |
0 |
Brookfield | 6 |
5 |
0 |
Brooklyn (Ashford, Canterbury, Eastford, Hampton, Killingly,Plainfield, Pomfret, Putnam, Sterling, Thompson, Woodstock) | 58 |
54 |
15 |
Cheshire (Prospect, Wolcott) | 40 |
29 |
5 |
Clinton | 14 |
13 |
2 |
Colchester | 6 |
5 |
0 |
Columbia | 1 |
1 |
0 |
Cromwell | 3 |
3 |
0 |
Danbury | 2 |
2 |
0 |
Darien | 148 |
142 |
18 |
Derby | 9 |
2 |
0 |
Durham | 2 |
2 |
0 |
East Granby | 2 |
0 |
0 |
East Hampton | 13 |
11 |
4 |
East Lyme | 1 |
0 |
0 |
Easton | 16 |
14 |
2 |
Ellington | 1 |
1 |
0 |
Enfield (East Windsor, Ellington, Enfield, Suffield, Vernon, Windham, Windsor Locks) | 8 |
8 |
0 |
Essex | 7 |
6 |
0 |
Fairfield | 81 |
73 |
16 |
Glastonbury | 6 |
5 |
1 |
Granby | 1 |
1 |
0 |
Greenwich | 309 |
303 |
55 |
Griswold (Lisbon, Voluntown) | 1 |
1 |
1 |
Groton | 3 |
3 |
0 |
Guilford | 54 |
48 |
9 |
Haddam | 1 |
1 |
0 |
Hamden (North Haven, Woodbridge) | 23 |
21 |
5 |
Hartford (State Health Department) | 68 |
58 |
12 |
Hebron | 6 |
6 |
2 |
Kent | 5 |
1 |
0 |
Killingworth | 1 |
1 |
0 |
Lebanon | 1 |
1 |
0 |
Lyme | 3 |
3 |
0 |
Madison | 26 |
23 |
2 |
Manchester | 8 |
6 |
2 |
Mansfield (Bolton, Coventry) | 5 |
5 |
1 |
Meriden | 5 |
5 |
2 |
Middlebury | 1 |
1 |
0 |
Middlefield | 1 |
1 |
0 |
Middletown | 4 |
4 |
0 |
Milford | 7 |
7 |
3 |
Monroe | 27 |
26 |
4 |
Montville | 1 |
0 |
0 |
New Britain | 6 |
5 |
1 |
New Canaan | 140 |
125 |
26 |
New Fairfield | 19 |
17 |
5 |
New Haven | 12 |
10 |
4 |
New London | 1 |
1 |
0 |
New Milford | 24 |
22 |
6 |
Newington | 1 |
1 |
1 |
Newtown | 206 |
183 |
35 |
North Haven | 12 |
11 |
2 |
North Stonington | 1 |
1 |
0 |
Norwalk | 188 |
175 |
28 |
Norwich | 5 |
4 |
1 |
Old Lyme | 11 |
11 |
4 |
Old Saybrook | 2 |
2 |
0 |
Orange | 11 |
9 |
3 |
Plainville | 1 |
1 |
0 |
Plymouth | 13 |
12 |
5 |
Redding | 15 |
15 |
5 |
Ridgefield | 25 |
24 |
4 |
Salem | 1 |
1 |
0 |
Scotland | 1 |
1 |
0 |
Seymour | 1 |
1 |
0 |
Shelton (Ansonia, Beacon Falls, Derby,Naugatuck, Seymour) | 20 |
15 |
3 |
South Windsor | 6 |
6 |
3 |
Southbury (Oxford, Woodbury) | 90 |
79 |
19 |
Southington | 6 |
2 |
0 |
Stafford | 1 |
1 |
0 |
Stamford | 349 |
338 |
83 |
Stonington | 2 |
2 |
1 |
Stratford | 42 |
31 |
5 |
Torrington (Bethlehem, Cornwall, Goshen, Harwinton, Kent, Litchfield, Morris, Norfolk, Salisbury, Thomaston, Warren, Watertown, Winchester) | 245 |
221 |
41 |
Trumbull | 53 |
47 |
5 |
Vernon | 1 |
1 |
0 |
Wallingford | 9 |
7 |
3 |
Waterbury | 34 |
31 |
2 |
Waterford | 1 |
1 |
0 |
Watertown | 1 |
1 |
1 |
West Hartford (Bloomfield) | 7 |
6 |
0 |
Westport (Weston) | 103 |
98 |
21 |
Wethersfield | 2 |
2 |
0 |
Wilton | 162 |
142 |
30 |
Windham | 6 |
6 |
0 |
Windsor | 5 |
4 |
0 |
Woodbridge | 1 |
1 |
1 |