Summary of Tick Testing Results for 2007
A total of 2805 ticks feeding on humans were submitted for identification in 2007. Of these, 1420* were tested for the presence of Borrelia burgdorferi, the causative organism of Lyme disease, and 481 (34%) 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 |
2602 |
Dermacentor variabilis |
American Dog Tick |
159 |
Amblyomma americanum |
Lone Star Tick |
36 |
Ixodes cookei |
(normally on woodchucks) |
5 |
Rhipicephalus sanguineus |
Brown Dog Tick |
2 |
Ixodes dentatus |
(normally on rabbits) |
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 deer ticks over the past five years.
Year |
Total Identified |
Total Tested |
Total Positive |
Percent Positive |
2003 |
5886 |
5673 |
1735 |
31 |
2004 |
4495 |
4231 |
1645 |
39 |
2005 |
6123 |
5897 |
1613 |
27 |
2006 |
4855 |
2314* |
520 |
22 |
2007 |
2602 |
1388 |
479 |
35 |
*Note: As of
The number of deer ticks submitted from each town and the number infected are summarized by town for the year 2007. 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 |
|
|
|
|
|
|
|
|
|
|
|
|
Ashford |
|
|
|
|
|
|
|
113 |
68 |
28 |
41.18% |
Barkhamsted |
|
1 |
1 |
0 |
0.00% |
|
|
|
|
|
|
|
|
10 |
6 |
3 |
50.00% |
|
|
2 |
2 |
1 |
50.00% |
|
|
23 |
11 |
3 |
27.27% |
|
|
|
|
|
|
|
|
7 |
2 |
0 |
0.00% |
|
|
|
|
|
|
Bozrah |
|
|
|
|
|
Branford |
|
19 |
10 |
2 |
20.00% |
|
|
5 |
2 |
0 |
0.00% |
|
|
1 |
0 |
0 |
0.00% |
|
|
12 |
8 |
1 |
12.50% |
|
|
33 |
21 |
7 |
33.33% |
|
Killingly |
3 |
3 |
1 |
33.33% |
|
|
2 |
0 |
0 |
0.00% |
|
|
|
|
|
|
|
Killingly |
1 |
0 |
0 |
0.00% |
|
|
1 |
1 |
0 |
0.00% |
Chaplin |
|
|
|
|
|
|
|
71 |
42 |
19 |
45.24% |
|
|
2 |
1 |
1 |
100.00% |
|
Old Saybrook |
|
|
|
|
|
|
2 |
1 |
0 |
0.00% |
Colebrook |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
1 |
0 |
0.00% |
Cromwell |
|
|
|
|
|
|
|
4 |
3 |
0 |
0.00% |
|
|
139 |
75 |
18 |
24.00% |
|
Old Saybrook |
|
|
|
|
|
|
1 |
0 |
0 |
0.00% |
|
|
3 |
2 |
1 |
50.00% |
|
|
|
|
|
|
|
|
2 |
0 |
0 |
0.00% |
|
|
1 |
1 |
1 |
100.00% |
|
|
2 |
1 |
0 |
0.00% |
|
Branford |
2 |
1 |
0 |
0.00% |
|
|
1 |
1 |
1 |
100.00% |
|
|
|
|
|
|
Eastford |
Killingly |
|
|
|
|
|
|
3 |
1 |
0 |
0.00% |
Ellington |
|
1 |
0 |
0 |
0.00% |
|
|
9 |
3 |
1 |
33.33% |
|
|
1 |
0 |
0 |
0.00% |
|
|
9 |
7 |
3 |
42.86% |
|
|
1 |
1 |
0 |
0.00% |
|
|
|
|
|
|
|
|
13 |
6 |
4 |
66.67% |
|
|
|
|
|
|
|
|
2 |
2 |
0 |
0.00% |
|
|
3 |
2 |
0 |
0.00% |
Griswold |
|
1 |
1 |
1 |
100.00% |
|
|
120 |
59 |
19 |
32.20% |
|
|
18 |
12 |
2 |
16.67% |
Haddam |
|
11 |
8 |
0 |
0.00% |
|
|
2 |
2 |
1 |
50.00% |
|
Killingly |
1 |
1 |
1 |
100.00% |
|
|
1 |
0 |
0 |
0.00% |
Hartland |
|
|
|
|
|
Harwinton |
|
|
|
|
|
|
|
2 |
1 |
1 |
100.00% |
|
|
1 |
0 |
0 |
0.00% |
Killingly |
|
1 |
0 |
0 |
0.00% |
Killingworth |
|
1 |
0 |
0 |
0.00% |
|
|
1 |
0 |
0 |
0.00% |
Ledyard |
|
|
|
|
|
|
|
|
|
|
|
Litchfield |
|
|
|
|
|
Lyme |
|
|
|
|
|
|
|
1 |
0 |
0 |
0.00% |
|
|
5 |
4 |
0 |
0.00% |
|
|
17 |
10 |
4 |
40.00% |
|
|
|
|
|
|
|
|
7 |
3 |
1 |
33.33% |
Middlebury |
|
14 |
6 |
1 |
16.67% |
Middlefield |
|
2 |
2 |
0 |
0.00% |
|
|
2 |
1 |
1 |
100.00% |
|
|
19 |
9 |
4 |
44.44% |
|
|
2 |
1 |
0 |
0.00% |
|
|
1 |
0 |
0 |
0.00% |
Morris |
|
3 |
2 |
0 |
0.00% |
|
|
1 |
0 |
0 |
0.00% |
|
|
22 |
12 |
4 |
33.33% |
|
|
88 |
57 |
25 |
43.86% |
New |
|
12 |
3 |
1 |
33.33% |
New |
|
5 |
2 |
2 |
100.00% |
|
|
15 |
10 |
2 |
20.00% |
|
|
|
|
|
|
|
|
28 |
15 |
4 |
26.67% |
|
|
1 |
0 |
0 |
0.00% |
|
|
204 |
89 |
30 |
33.71% |
|
|
|
|
|
|
|
Branford |
1 |
0 |
0 |
0.00% |
|
|
|
|
|
|
|
|
25 |
21 |
6 |
28.57% |
|
|
|
|
|
|
|
|
187 |
86 |
25 |
29.07% |
|
|
8 |
4 |
3 |
75.00% |
Old Lyme |
|
3 |
2 |
1 |
50.00% |
Old Saybrook |
|
1 |
0 |
0 |
0.00% |
|
|
10 |
6 |
1 |
16.67% |
|
Southbury |
2 |
2 |
2 |
100.00% |
|
Killingly |
|
|
|
|
|
|
5 |
2 |
1 |
50.00% |
|
|
|
|
|
|
Pomfret |
Killingly |
|
|
|
|
|
|
3 |
1 |
1 |
100.00% |
|
|
|
|
|
|
Prospect |
|
|
|
|
|
Putnam |
Killingly |
1 |
1 |
1 |
100.00% |
|
|
49 |
25 |
11 |
44.00% |
|
|
98 |
51 |
24 |
47.06% |
Rocky Hill |
|
1 |
1 |
0 |
0.00% |
Roxbury |
|
14 |
6 |
2 |
33.33% |
|
|
1 |
1 |
0 |
0.00% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
54 |
22 |
13 |
59.09% |
|
|
1 |
1 |
0 |
0.00% |
|
|
1 |
0 |
0 |
0.00% |
|
|
2 |
1 |
0 |
0.00% |
|
|
5 |
4 |
3 |
75.00% |
Somers |
|
|
|
|
|
|
|
7 |
5 |
3 |
60.00% |
Southbury |
|
135 |
51 |
26 |
50.98% |
|
|
33 |
17 |
3 |
17.65% |
Sprague |
|
|
|
|
|
|
|
|
|
|
|
|
|
161 |
72 |
22 |
30.56% |
|
Killingly |
|
|
|
|
|
|
3 |
1 |
1 |
100.00% |
|
|
23 |
13 |
7 |
53.85% |
Suffield |
|
|
|
|
|
Thomaston |
|
|
|
|
|
Thompson |
Killingly |
|
|
|
|
Tolland |
|
1 |
1 |
1 |
100.00% |
|
|
269 |
175 |
56 |
32.00% |
|
|
86 |
41 |
11 |
26.83% |
|
Killingly |
|
|
|
|
|
|
3 |
2 |
1 |
50.00% |
Voluntown |
|
|
|
|
|
|
|
16 |
7 |
2 |
28.57% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
15 |
11 |
2 |
18.18% |
|
|
|
|
|
|
|
|
1 |
1 |
1 |
100.00% |
|
|
|
|
|
|
|
|
2 |
0 |
0 |
0.00% |
Westbrook |
|
|
|
|
|
Weston |
|
1 |
1 |
0 |
0.00% |
|
|
58 |
53 |
13 |
24.53% |
|
|
2 |
0 |
0 |
0.00% |
Willington |
|
|
|
|
|
|
|
181 |
93 |
33 |
35.48% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10 |
7 |
3 |
42.86% |
|
|
|
|
|
|
Wolcott |
|
1 |
1 |
0 |
0.00% |
|
|
3 |
1 |
0 |
0.00% |
Woodbury |
Southbury |
2 |
1 |
1 |
100.00% |
|
Killingly |
2 |
1 |
0 |
0.00% |