A Study to Identify and Characterize Adults and Pediatric Participants With Cat and/or Birch Allergy

연구 개요

The purpose of this Patient Identification and Characterization (PIC) study is to collect information and perform limited allergy-related procedures to determine if participants can qualify for cat and/or birch tree pollen allergy clinical research studies in the future. The study is also looking at how cat and/or birch tree pollen allergies have affected overall health.