Five Year Bat Rabies Summary - 1991-1995
# FRA (+)
Species # tested 1991 1992 1993 1994 1995 5-year
% FRA (+) Totals
1. Eptesicus fuscus 12/73 18/88 14/90 9/52 8/40 61/343
Big brown bat
16% 20% 16% 18% 20% 18%
2. Lasiurus cinereus 11/16 3/13 6/11 3/6 3/5 26/51
Hoary bat
69% 23% 55% 50% 60% 51%
3. Lasionycteris 1/8 1/31 2/32 0/17 2/9 6/97
noctivagans
Silver-haired bat 13% 3% 6% 0% 22% 6%
4. Myotis lucifugus 1/29 1/20 3/28 0/20 1/22 6/119
Little brown bat
and other Myotis 3% 5% 11% 0% 5% 5%
species (N=5)
5. Myotis evotis 0/0 1/2 0/1 1/1 0/0 2/4
Long-eared myotis
0% 50% 0% 100% 0% 50%
6. Tadarida brasiliensis 0/0 0/0 1/1 0/0 0/0 1/1
Brazilian free-tailed
bat 0% 0% 100% 0% 0% 100%
7. Antrozous pallidus 0/0 0/0 0/2 0/0 0/1 0/3
Pallid bat
0% 0% 0% 0% 0% 0%
8. Nyctinomops macrotis 0/2 0/0 1/1 1/4 0/0 2/7
Big free-tailed bat
0% 0% 100% 25% 0% 29%
9. Lasiurus borealis 0/0 0/2 0/0 0/0 0/1 0/3
Red bat
0% 0% 0% 0% 0% 0%
10.Plecotus townsendii 0/0 0/0 0/1 0/3 0/1 0/5
Townsend's big-eared
bat 0% 0% 0% 0% 0% 0%
11. Not speciated 2/7 0/6 1/10 3/11 2/8 8/42
29% 0% 10% 27% 25% 19%
TOTAL 27/135 24/162 28/176 17/114 16/88 12/675
20% 15% 16% 15% 18% 17%
1991 1992 1993 1994 1995
First bat submitted 3/13 Boulder 1/16 El Paso 1/19 Larimer 1/19 Jefferson 4/24 Montrose
Last bat submitted 12/4 Pueblo 10/7 LaPlata 10/4 Mesa 10/31 Denver 12/26 Summit
FRA=fluorescent rabies antibody test
Produced by: Communicable Disease Epidemiology Program (303) 692-2700
Colorado Department of Public Health and Environment 1/96
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