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Can fleas spread West Nile virus or Rabies virus?


I can't seem to find anything conclusive that humans can get either of these diseases from a flea bite. But since fleas can transmit other viral diseases (and bacterial too, I think?) it seems like they could transmit rabies or west nile as well, if they sucked blood from an infectious animal and then bit a human.

Can they?

No, and no. It has to do with the ID or (I)nfectious (D)ose required to make it contagious. The fleas can't pick up enough virus to infect anybody with it. Rabies will only be passed through infected animals, not insects. West Nile requires mosquitos, which can pass out any array of diseases.

West Nile virus is spread by mosquitoes not fleas. Rabies virus is spread by infected animals.
So the answer your question is no

No. They can carry plague, tapeworms, or murine typhus, however.

NO,they cant

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