Abstract
Oral vaccination of foxes against rabies results of trials in France. Trials of oral vaccination against rabies are reported in 117 red foxes (Vulpes vulpes), their results being evaluated by titration of antibodies and challenge with a wild strain. These trials used six different strains of rabies virus (Flury, S.A.D., C.V.S., G.S./C., Ts O 55 and Av O 1) living, modified by serial passages in vivo or in vitro, and one inactivated C.V.S. strain. This last did not protect foxes after direct deposit in their mouth, but living virus did, provided they were used at sufficient titres. However safety test of these virus, for non target species, remain to be achieved before their practical use in the field.
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