And So It Begins... FDA PRESS RELEASE The U.S. Food and Drug Administration (FDA) has approved four vaccines for use against the 2009 H1N1 influenza virus. The vaccines—made by CSL Limited, MedImmune LLC, Novartis Vaccines and Diagnostics Limited, and sanofi pasteur … [Read more...] about FDA Approves Vaccines for H1N1 Influenza Virus