THE PANDEMIC VACCINE PUZZLE A seven-part series on the chances for immunizing the world against pandemic flu
Editor's note: This article was originally published in CIDRAP News as a seven-part series running from October 25 through November 2, 2007. It investigates the prospects for development of vaccines to head off the threat of an influenza pandemic posed by the H5N1 avian influenza virus. The series puts advances in vaccine technology in perspective by illuminating the formidable barriers to producing an effective and widely usable vaccine in a short time frame.