Photo: U.S. Bird Flu Detection Plan Is Wild Goose Chase, Study Says

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A chicken infected with avian influenza, or bird flu, features telltale inflammation of the face and head.

A new study predicts that bird flu will likely spread to the Americas through infected poultry. This poultry may then infect local wild birds, which could carry the disease from Mexico or Canada to the United States.

Photograph courtesy APHIS/USDA

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