Vampire bats were inoculated intramuscularly and subcutaneously with varying doses of rabies virus to simulate bites by rabid animals in nature. Daily saliva samples were then taken from these animals to determine whether they excreted virus and for how long. Vampire bats appear to react to rabies virus as do other animals, with variable incubation periods, some excretion of virus in the saliva, but no prolonged excretion "carrier state."
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