The persistence of rabies virus antibodies in the sera of fox cubs |
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Authors: | Hostnik P Barlic-Maganja D Toplak I Grom J |
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Institution: | Institute of Microbiology and Parasitology, Virology Unit, Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia. peter.hostnik@vf.uni-lj.si |
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Abstract: | The persistence of maternal antibodies transfer from rabies-immune vixens to their fox cubs was studied. Eight vixens (Vulpes vulpes) were vaccinated 1 month before pregnancy with Lysvulpen vaccine for oral vaccination of foxes. Twenty-one were foxes born at the first half of April. The geometrical mean titre of rabies neutralizing antibodies of fox cubs sampled in May was 1.31 IU/ml and has dropped successively to 0.54 IU/ml in June samples and to 0.18 IU/ml in July samples. It has been proven that the duration of rabies maternal antibodies in fox cubs was limited to 2 months after birth. |
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