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CDC Finds 24% Alpha-Gal Antibodies in Five Southern States

7/3/2026

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Summary

Story summary

The CDC study identified the highest alpha-gal antibody prevalence in Arkansas, Kentucky, Missouri, Tennessee and Virginia.
The agency tested 3,000 blood samples from donors in ten states between November 2024 and April 2025.
In those five states antibody prevalence reached 24 %.
Because most carriers are asymptomatic, the CDC advises testing only patients with hives, swelling or breathing difficulty.

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Story summary

The CDC study identified the highest alpha-gal antibody prevalence in Arkansas, Kentucky, Missouri, Tennessee and Virginia.
The agency tested 3,000 blood samples from donors in ten states between November 2024 and April 2025.
In those five states antibody prevalence reached 24 %.
Because most carriers are asymptomatic, the CDC advises testing only patients with hives, swelling or breathing difficulty.