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Migrating animals as disease vectors
Incidence
After massive bird deaths and seven human deaths in the New York area in 1999, ornithologists fear that migrating birds have spread West Nile virus from the eastern hemisphere and across the American continent.
Broader
International movement of animals as factor in animal diseases
Related
Migrating geese as pests
Threatened migratory bird species
Type
(E) Emanations of other problems