Summary of Tick Testing Results for 2009
A total of 4031 ticks feeding on humans were submitted for identification in 2009. Of these, 1802* were tested for the presence of Borrelia burgdorferi, the causative organism of Lyme disease, and 676 (37.5%) were found to carry this organism. The names of the tick species and numbers of specimens received are shown in the table below.
Name of Species |
Common Name |
Total |
Ixodes scapularis |
Black-legged (“deer”) Tick |
3672 |
Dermacentor variabilis |
American Dog Tick |
285 |
Amblyomma americanum |
Lone Star Tick |
63 |
Ixodes cookei |
(normally on woodchucks) |
1 |
Ixodes ricinus |
Sheep Tick |
1 |
Most of the ticks received by us are the black-legged or “deer” ticks. Below is a table comparing the numbers and infection rates of
Year |
Total Identified |
Total Tested |
Total Positive |
Percent Positive |
2005 |
6123 |
5897 |
1613 |
27 |
2006 |
4855 |
2314* |
520 |
22 |
2007 |
2602 |
1388 |
479 |
35 |
2008 |
3120 |
1470 |
340 |
23 |
2009 |
3669 |
1768 |
666 |
38 |
*Note: As of
The number of deer ticks submitted from each town and the number infected are summarized by town for the year 2009. If the town is served by a health district, its totals are included with the town listed in the second column. For example,
Town |
|
Total Identified |
Total Tested |
Total Positive |
Percent Positive |
|
|
|
|
|
|
|
|
2 |
1 |
0 |
0.00% |
Ashford |
|
|
|
|
|
|
|
18 |
10 |
7 |
70.00% |
Barkhamsted |
|
2 |
2 |
2 |
100.00% |
|
|
2 |
0 |
0 |
0.00% |
|
|
4 |
2 |
1 |
50.00% |
|
|
8 |
5 |
1 |
20.00% |
|
|
46 |
19 |
9 |
47.37% |
|
|
|
|
|
|
|
|
6 |
3 |
1 |
33.33% |
|
|
|
|
|
|
Bozrah |
|
|
|
|
|
Branford |
|
20 |
11 |
6 |
54.55% |
|
|
11 |
6 |
2 |
33.33% |
|
|
|
|
|
|
|
|
32 |
16 |
3 |
18.75% |
|
|
61 |
25 |
10 |
40.00% |
|
|
2 |
1 |
1 |
100.00% |
|
|
2 |
2 |
2 |
100.00% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
7 |
5 |
2 |
40.00% |
Chaplin |
|
|
|
|
|
|
|
76 |
28 |
8 |
28.57% |
|
|
|
|
|
|
|
Old Saybrook |
2 |
1 |
0 |
0.00% |
|
|
4 |
1 |
1 |
100.00% |
Colebrook |
|
1 |
0 |
0 |
0.00% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2 |
2 |
1 |
50.00% |
Cromwell |
|
5 |
2 |
1 |
50.00% |
|
|
5 |
3 |
2 |
66.67% |
|
|
166 |
65 |
24 |
36.92% |
|
Old Saybrook |
|
|
|
|
|
|
4 |
1 |
1 |
100.00% |
|
|
2 |
2 |
0 |
0.00% |
|
|
1 |
1 |
1 |
100.00% |
|
|
4 |
3 |
1 |
33.33% |
|
|
14 |
6 |
1 |
16.67% |
|
|
2 |
0 |
0 |
0.00% |
|
Branford |
6 |
2 |
0 |
0.00% |
|
|
2 |
2 |
1 |
50.00% |
|
|
1 |
1 |
1 |
100.00% |
Eastford |
|
1 |
1 |
0 |
0.00% |
|
|
26 |
9 |
2 |
22.22% |
Ellington |
|
1 |
0 |
0 |
0.00% |
|
|
8 |
5 |
2 |
40.00% |
|
|
1 |
0 |
0 |
0.00% |
|
|
7 |
6 |
3 |
50.00% |
|
|
6 |
2 |
1 |
50.00% |
|
|
1 |
1 |
0 |
0.00% |
|
|
9 |
3 |
2 |
66.67% |
|
|
|
|
|
|
|
|
7 |
5 |
1 |
20.00% |
|
|
1 |
0 |
0 |
0.00% |
Griswold |
|
|
|
|
|
|
|
62 |
24 |
11 |
45.83% |
|
|
18 |
10 |
2 |
20.00% |
Haddam |
|
20 |
9 |
3 |
33.33% |
|
|
18 |
9 |
4 |
44.44% |
|
|
|
|
|
|
|
|
5 |
3 |
2 |
66.67% |
Hartland |
|
2 |
1 |
1 |
100.00% |
Harwinton |
|
1 |
1 |
0 |
0.00% |
|
|
1 |
1 |
0 |
0.00% |
|
|
1 |
1 |
0 |
0.00% |
Killingly |
|
2 |
2 |
1 |
50.00% |
Killingworth |
|
4 |
2 |
1 |
50.00% |
|
|
|
|
|
|
Ledyard |
|
|
|
|
|
|
|
|
|
|
|
Litchfield |
|
|
|
|
|
Lyme |
|
|
|
|
|
|
|
5 |
3 |
0 |
0.00% |
|
|
9 |
4 |
2 |
50.00% |
|
|
19 |
11 |
5 |
45.45% |
|
|
|
|
|
|
|
|
7 |
5 |
0 |
0.00% |
Middlebury |
|
20 |
13 |
5 |
38.46% |
Middlefield |
|
1 |
1 |
1 |
100.00% |
|
|
4 |
2 |
0 |
0.00% |
|
|
46 |
24 |
12 |
50.00% |
|
|
1 |
1 |
1 |
100.00% |
|
|
|
|
|
|
Morris |
|
|
|
|
|
|
|
|
|
|
|
|
|
25 |
16 |
3 |
18.75% |
|
|
93 |
64 |
25 |
39.06% |
New |
|
7 |
3 |
0 |
0.00% |
New |
|
7 |
2 |
2 |
100.00% |
|
|
19 |
11 |
2 |
18.18% |
|
|
|
|
|
|
|
|
13 |
7 |
2 |
28.57% |
|
|
|
|
|
|
|
|
299 |
117 |
51 |
43.59% |
|
|
|
|
|
|
|
Branford |
|
|
|
|
|
|
|
|
|
|
|
|
31 |
20 |
6 |
30.00% |
|
|
2 |
1 |
1 |
100.00% |
|
|
309 |
146 |
52 |
35.62% |
|
|
8 |
3 |
2 |
66.67% |
Old Lyme |
|
1 |
0 |
0 |
0.00% |
Old Saybrook |
|
14 |
6 |
0 |
0.00% |
|
|
16 |
10 |
5 |
50.00% |
|
Southbury |
1 |
1 |
1 |
100.00% |
|
|
1 |
1 |
0 |
0.00% |
|
|
3 |
0 |
0 |
0.00% |
|
|
1 |
0 |
0 |
0.00% |
Pomfret |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Prospect |
|
|
|
|
|
Putnam |
|
|
|
|
|
|
|
67 |
30 |
12 |
40.00% |
|
|
145 |
61 |
20 |
32.79% |
Rocky Hill |
|
3 |
2 |
1 |
50.00% |
Roxbury |
|
14 |
7 |
3 |
42.86% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
114 |
72 |
33 |
45.83% |
|
|
1 |
1 |
1 |
100.00% |
|
|
1 |
1 |
1 |
100.00% |
|
|
1 |
1 |
0 |
0.00% |
|
|
40 |
18 |
4 |
22.22% |
Somers |
|
1 |
1 |
1 |
100.00% |
|
|
7 |
2 |
1 |
50.00% |
Southbury |
|
156 |
73 |
27 |
36.99% |
|
|
43 |
17 |
8 |
47.06% |
Sprague |
|
|
|
|
|
|
|
|
|
|
|
|
|
423 |
189 |
63 |
33.33% |
|
|
|
|
|
|
|
|
4 |
1 |
1 |
100.00% |
|
|
50 |
18 |
5 |
27.78% |
Suffield |
|
1 |
0 |
0 |
0.00% |
Thomaston |
|
|
|
|
|
Thompson |
|
|
|
|
|
Tolland |
|
1 |
1 |
0 |
0.00% |
|
|
348 |
180 |
72 |
40.00% |
|
|
123 |
56 |
20 |
35.71% |
|
|
|
|
|
|
|
|
1 |
0 |
0 |
0.00% |
Voluntown |
|
|
|
|
|
|
|
20 |
11 |
6 |
54.55% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
23 |
20 |
8 |
40.00% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4 |
2 |
1 |
50.00% |
|
|
2 |
1 |
0 |
0.00% |
Westbrook |
|
1 |
0 |
0 |
0.00% |
Weston |
|
1 |
0 |
0 |
0.00% |
|
|
92 |
79 |
27 |
34.18% |
|
|
11 |
3 |
1 |
33.33% |
Willington |
|
1 |
0 |
0 |
0.00% |
|
|
263 |
109 |
40 |
36.70% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8 |
4 |
1 |
25.00% |
|
|
|
|
|
|
Wolcott |
|
|
|
|
|
|
|
13 |
12 |
6 |
50.00% |
Woodbury |
Southbury |
|
|
|
|
|
|
3 |
2 |
0 |
0.00% |
|
|
|
|
|
|