Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: An Observational Follow-On Field Study to Evaluate the Continued Efficacy and Safety of Ragweed-SPIRE Treatment in Ragweed Allergic Subjects Approximately One Year After the Completion of Treatment
Brief Summary: The purpose of this study is to determine the efficacy of Ragweed-SPIRE 12 months after the initial dose.