Tracy Davidson

Warning letters went out to thousands of doctors yesterday alerting them that Sanofi Aventis is recalling 800,000 doses of pediatric swine flu vaccine in prefilled syringes because routine tests disclosed that its potency has diminished, officials say. Despite the recall, the vaccine is safe and effective; parents need not worry about unusual side effects or [...]

Due to the high demand of the swine flu vaccine, the biggest makers of seasonal flu vaccines in the U.S. are running into delays or cutting back shipments. Three companies- drugmaker Sanofi Pasteur, GlaxoSmithKilne, and Novartis AG account for 100 million of the nations expected 114 million doses. Novartis AG and GlaxoSmithKline PLC have not [...]