*Tanox Biosystems, Inc., *Lederle-Praxis Biologicals *Cadila Laboratories Limited *Vaxcel Corporation *Virus Research Institute *Medimmune Inc., *Univax biologics, Inc., *Emisphere Technologies, Inc., *Viral Technologies, Inc., *Connaught Laboratories, Inc., *Novavax, Inc., send the info to: WCHEN at sphvax.sph.unc.edu thanks.