With FDA nod, AstraZeneca's FluMist becomes first self-administered flu vaccine
AstraZeneca has just scored big on the quest to make routine vaccinations less of a hassle. | The FDA signed off on AstraZeneca's influenza vaccine FluMist for self-administration by adults up to 49 years old and for administration by a parent or caregiver in kids between the ages of 2 and 17.