Neuraminidase Inhibitors for InfluenzaSep. 29, 2005In the United States, influenza infections occur in epidemics each winter. Recent events, including human cases of avian influenza, have heightened awareness of the threat of a pandemic and have spurred efforts to develop plans for its control. Antiviral agents thus form an important part of a rational approach to epidemic influenza and are critical to planning for a pandemic.