Abstract
The authors report on an investigation into recent advances in rabies treatment designed to assess the various claims put forward, their relative merits, and whether they hold true when Indian strains of street virus are used for challenge. The results are presented of treatment with antirabies serum alone, with 5% Semple vaccine, with a combination of serum and vaccination, and with HEP Flury vaccine with and without serum.
Antirabies serum alone, given before or after infection, while definitely prolonging the incubation period, had no saving effect. Serum seemed to confer some protection when it was obtained from animals of the same species which had survived an infection with the particular challenge virus.
With doses of 5% Semple vaccine comparable to those administered to human beings it was possible to confer solid protection to animals against virulent strains of street virus provided the treatment was started 7 days before challenge.
Combined therapy with serum and vaccine given after infection was of great value under certain conditions. There appeared to be an optimum relationship between the quantity of serum given and the antigenicity and dosage of vaccine administered.
HEP Flury vaccine given before infection gave very good protection. But serum and HEP Flury vaccine administered after infection was not of value against an Indian strain of street virus.
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Selected References
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