Five Years of Combined Newborn Screening Quantifying TREC and KREC in Switzerland

Key Points

• A five-year analysis highlights enhanced detection of immunodeficiency disorders using TREC and KREC biomarkers.
• The study reports a noteworthy increase in diagnostic accuracy, with TREC values detected in 95% of the newborns screened.
• Analyses employed standardized newborn screening methods to measure TREC and KREC levels for immune system evaluation.
• The findings support the importance of implementing effective newborn screening programs for early intervention.