Egg-derived influenza vaccine

Comparison of the Safety and Immune Response of an Influenza Vaccine Made by a New Manufacturing Process With a Vaccine Made by the Traditional Manufacturing Process for Season 2003/2004

Safety of a Influenza Vaccine Produced Either in Mammalian Cell Culture or in Embryonated Hen Eggs in Adults and Elderly With and Without Underlying Medical Conditions, and Immunogenicity in a Subset of Subjects With Underlying Medical Conditions