By Arlene Seid, MD, MPH, and Brian S. Alper, MD, MSPH

Dr. Seid is a physician at Messiah College, Grantham, Pa., and a reviewer for DynaMed. Dr. Alper is medical director of clinical reference products for EBSCO Publishing, in Ipswich, Mass., and editor-in-chief of DynaMed (www.dynamicmedical.com), a database of comprehensive updated summaries covering nearly 2,000 clinical topics. Description • Influenza (H5N1) infection in poultry that rarely…