Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

Volume 16, Number 8—August 2010

Dispatch

Bat Rabies in Massachusetts, USA, 1985–2009

Xingtai WangComments to Author , Alfred DeMaria, Sandra Smole, Catherine M. Brown, and Linda Han
Author affiliations: Massachusetts Department of Public Health, Boston, Massachusetts, USA

Main Article

Table 2

Characteristics of bats submitted for rabies testing, Massachusetts, USA, 1985–2009*

Characteristic
No. rabid/no. tested (%)
1985–1991
1992–1998
1999–2009
Total no. bats 50/720 (6.9) 135/2,113 (6.4) 311/7,424 (4.2)
Bat species
Big brown (Eptesicus fuscus) 47/581 (8.1) 126/1,898 (6.6) 270/6,371 (4.2)
Hoary (Lasiurus cinereus) 0/5 4/12 (33.3) NS
Little brown (Myotis lucifugus) 1/50 (2.0) 2/83 (2.4) 36/941(3.8)
Keen long-eared (M. keenii) 2/9 (22.2) 1/54 (1.9) 0/31
Red (L. blossevillii) 0/8 2/20 (10.0) 2/20 (10.0)
Seychelles fruit (Pteropus seychellensis) NS 0/1 NS
Silver-haired (Lasionycteris noctivagans) NS 0/4 1/13 (7.7)
Unidentified
0/67
0/41
2/48 (4.2)
Reasons for bat test
Human and pet exposure 0/5 16/250 (6.4) 40/1,004 (4.0)
Human exposure 17/160 (10.6) 35/635 (5.5) 164/4,339 (3.8)
Pet exposure 21/362 (5.8) 50/918 (5.5) 67/1,295 (5.2)
Sick and other reasons
12/193 (6.2)
34/310 (11.0)
40/786 (5.1)
Signs
Aggression
Unobserved NC 118/2,033 (5.8) 291/7,229 (4.0)
Yes NC 17/80 (21.3) 20/196 (10.3)
Ataxia
Unobserved NC 128/2,087 (6.1) 307/7,392 (4.2)
Yes NC 7/26 (26.9) 4/32 (12.5)
Death
Unobserved NC 114/1,765 (6.5) 284/6,566 (4.3)
Yes NC 21/348 (6.0) 27/858 (3.2)
Disorientation
Unobserved NC 113/1,985 (5.7) 278/7,038 (4.0)
Yes NC 22/128 (17.2) 33/386 (8.6)
Lethargy
Unobserved NC 119/2,034 (5.9) 275/7,145 (3.9)
Yes NC 16/79 (20.3) 36/279 (12.9)
Paralysis
Unobserved NC 135/2,105 (6.4) 304/7,394 (4.1)
Yes NC 0/8 7/30 (23.7)
Salivation
Unobserved NC 135/2,111 (6.4) 309/7,409 (4.2)
Yes NC 0/2 2/15 (13.3)
Seizures
Unobserved NC 135/2,107 (6.4) 309/7,416 (4.2)
Yes NC 0/6 2/8 (25.0)

*NS, no specimen; unobserved, none or unknown; NC, not collected.

Main Article

TOP