Intravenous Zanamivir for Patients with Pneumonitis due to Pandemic (H1N1) 2009 Influenza Virus

We report on 2 critically ill patients with pneumonitis and acute respiratory distress syndrome due to pandemic (H1N1) 2009 influenza A virus who were treated with intravenous zanamivir and had favorable clinical outcomes. Zanamivir given intravenously may be a therapeutic option in patients with critical illness and mechanical ventilation.