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Alpha-Gal Syndrome Affects 450,000 Amid Climate Change

3/26/2026

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Summary

Story summary

Alpha-gal syndrome is increasingly affecting Americans, with an estimated 450,000 people potentially affected.
Researchers report a significant rise in positive tests for alpha-gal antibodies, with more than 110,000 suspected cases from 2010 to 2022, and several deaths suspected to be linked.
The illness is linked to various tick species because climate change drives its spread.
There is currently no cure for Alpha-gal syndrome.

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Story summary

Alpha-gal syndrome is increasingly affecting Americans, with an estimated 450,000 people potentially affected.
Researchers report a significant rise in positive tests for alpha-gal antibodies, with more than 110,000 suspected cases from 2010 to 2022, and several deaths suspected to be linked.
The illness is linked to various tick species because climate change drives its spread.
There is currently no cure for Alpha-gal syndrome.