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Virus Res. 2008 Nov;137(2):275-7. doi: 10.1016/j.virusres.2008.07.024. Epub 2008 Sep 17.

Vaccinating the vampire bat Desmodus rotundus against rabies.

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School of Medicine, University of São Paulo and LIM01 HCFMUSP, Brazil; Laboratory of Rabies, Zoonosis Control Center of São Paulo City, Brazil.


The objective of this study was to extend the previous work of indirect oral rabies immunization of vampire bats (Desmodus rotundus) maintained in captivity, which demonstrated the immunogenicity of the V-RG vaccine (Vaccinia-Rabies Glycoprotein) and indicated that although the results had been encouraging, a new method for concentrating the vaccine should be tested in order to avoid vaccine loss and increase the survival proportion of bats after rabies challenge. In this study, three groups of seven bats each were tested with vaccine concentrated by ultrafiltration through a cellulose membrane. The vaccine was homogenized in Vaseline paste and applied to the back of one vector bat, which was then reintroduced into its group. A dose of 10(5.0) MICLD(50) rabies virus was used by intramuscular route to challenge the bats postvaccination. The survival proportion in the three groups after the challenge was 71.4%, 71.4% and 100%.

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