Vampire Bat Rabies in Brazil
Author Information
Author(s): Kobayashi Yuki, Sato Go, Mochizuki Nobuyuki, Hirano Shinji, Itou Takuya, Carvalho Adolorata AB, Albas Avelino, Santos Hamilton P, Ito Fumio H, Sakai Takeo
Primary Institution: Nihon University Veterinary Research Center
Hypothesis
What are the epidemiological characteristics of vampire bat-transmitted rabies in Brazil?
Conclusion
The study found that several dozen regional variants of rabies associated with vampire bats exist in Brazil, influenced by geographical features like mountain ranges and rivers.
Supporting Evidence
- The study analyzed 593 samples consisting of 24 genetic variants.
- Regional localization of variants was observed, with distributions affected by mountain ranges.
- Most samples were isolated from areas linked by rivers.
Takeaway
Vampire bats can spread rabies to cattle, and where they live affects how the disease spreads. Mountains and rivers help shape where different types of rabies are found.
Methodology
The study sequenced partial nucleoprotein genes of rabies viruses from 666 cattle and 18 vampire bats collected between 1987 and 2006 for phylogenetic analysis.
Limitations
Some samples could not be categorized as genetic variants, and surveillance of cattle rabies has not been performed in several Brazilian regions.
Participant Demographics
Samples were collected from cattle and vampire bats across various states in Brazil.
Digital Object Identifier (DOI)
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