Avian flu, which has already killed 50 people, is only a mutation away from being transmissible from person to person. We have no immunity, no vaccines, and no cure. It is imperative that we strengthen our domestic vaccine supply, expand legal protections, encourage collaboration between the public and private sectors, and advance research and development. These initiatives will help protect us from a deadly viral outbreak that experts warn could come to our shores any day.

On the potential for a flu pandemic.