Highly Pathogenic Avian Influenza A

These interim recommendations outline steps for preventing exposure to avian influenza viruses, including recommendations for the public, farmers, workers, clinicians, and state health departments on surveillance and testing. The webpage defines exposure to avian influenza-infected birds or other animals, clinical and public health response criteria, information on collecting clinical specimens for testing, influenza antiviral treatment, and avian influenza chemoprophylaxis. The page also includes a table of interim risk categories by setting and exposure.