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Dogs foam at the mouth when they have rabies because the virus travels through the body and into the saliva glands. Once there the virus infects the cells and begins to replicate, the excess of saliva producing cells causes the dog to salivate more than usual, thus the dog foams at the mouth. The virus is also secreted in the saliva, thereby successfully spreading it.

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15y ago
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13y ago

kinda like drooling. yes

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Q: Why do dogs foam from the mouth when they have rabies?
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