West Nile virus is a zoonosis. Wild birds can trasmit it to mosquitos that, in turn, transmit it to humans.
Zoonosis: (noun) A disease that can be transmitted from animals to humans. The plural of the word is zoonoses. Avian diseases that are zoonotic are psittacosis, salmonellosis and certain forms of mycobacteria (avian turbuculosis). Pet birds can transmit these diseases to people. Some zoonotic diseases that can be transmitted from other animals to humans include: anthrax, rabies, Lyme disease, monkey pox and West Nile virus (transmits from wild birds to mosquitoes to people).
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