Management of vampire bats and rabies: Past, present, and future
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Abstract
Rabies virus transmitted via the bite of common vampire bats (Desmodus rotundus) has surpassed canine-associated cases as the predominant cause of human rabies in Latin America. Cattle, the preferred prey of D. rotundus, suffer extensive mortality from vampire bat associated rabies, with annual financial losses estimated in the tens of millions of dollars. Organized attempts to manage or curtail vampire bat populations and rabies virus transmission have been conducted since the early 1900s, when vampire bat-associated rabies cases in humans and livestock were first recognized. However, these attempts largely failed, as the distribution of vampire bat populations expanded geographically with the intensification of livestock production, and the incidence of vampire bat rabies (VBR) increased. Current methods of control rely primarily on culling vampire bat populations using poisons (vampiricides) that are transferred from bat to bat after topical application. Despite widespread use of vampiricides for the last 50 years, little evidence exists to demonstrate their effectiveness in reducing the incidence of VBR. Culling may further result in dispersion of bats, which could have an unintended consequence of spreading VBR. New methods to manage VBR are being developed or considered, including topical rabies vaccine that transfer among bats, much like vampiricides or a transmissible vaccine that would spread naturally among bats. Vaccination of vampire bats against rabies could lower the incidence of VBR and prevent viral transmission to cattle and humans without the animal welfare concerns and potential negative effects of culling. However, this approach would not deter vampire bat bites, and some form of population reduction (e.g., fertility control) would likely also be needed. An integrated strategy to reduce both the incidence of VBR and the abundance of vampire bats would be ideal for protecting both human and animal health.
Publication type | Book chapter |
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Publication Subtype | Book Chapter |
Title | Management of vampire bats and rabies: Past, present, and future |
DOI | 10.1007/978-3-031-25052-1_8 |
Year Published | 2023 |
Language | English |
Publisher | Springer |
Contributing office(s) | National Wildlife Health Center |
Description | 24 p. |
Larger Work Type | Book |
Larger Work Subtype | Monograph |
Larger Work Title | History of Rabies in the Americas: From the Pre-Columbian to the Present, |
First page | 199 |
Last page | 222 |
Google Analytic Metrics | Metrics page |