Unremitting vigilance

We are currently in a lull regarding H1N1 influenza cases. Is the virus mutating and wilkl it come back as it did in 1918 far more virulent. No one knows for sure. In them meantime to paraphrase Margaret Chang of the WHO "Rather than blind panic or compacency in the face of the H1N! threat what is required in unremittiong vigilance.