The Center for Rapid Influenza Surveillance and Research will carry out an international and domestic animal surveillance program focused on virologic, epidemiologic, and disease surveillance with emphasis on the rapid characterization of influenza viruses with pandemic potential. This includes the development and/or maintenance of a network capable of rapid biological, molecular and serological characterization of influenza viruses identified in animals, including but not limited to aquatic and land-based birds, wild birds, live animal markets, and other settings that provide enhanced opportunities for the reassortment of influenza A virus subtypes and close contact with humans.