AllergiesbarrierEvidence 3

rs7221109 · CCR7

Risk-Allele Phenotype

CCR7 rs7221109 — associated with Hay fever and/or eczema based on genetic association studies.

Reference-Allele Phenotype

Normal CCR7 function at this locus, with no elevated genetic risk contribution to Hay fever and/or eczema from this variant.

Evidence Level

3 — Limited — single study or in-vitro See methodology for how we grade evidence.

Cross-References

dbSNP — rs7221109
ClinVar — search rs7221109
NCBI Gene — CCR7

Informational only

This page summarizes population-level evidence about a genetic variant. It is not a diagnosis. Your individual risk depends on your full genome, lifestyle, environment, and family history. Consult a healthcare provider for personalized medical advice.

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