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Lone star tick can trigger deadly red‑meat allergy, officials warn

Bites from the lone star tick can cause alpha-gal syndrome, a potentially life-threatening allergy to red meat that is being tracked across Pennsylvania.

Published May 26, 2026, 5:11 AM EDT | LehighValleyLive

As if there weren’t enough to worry about, health officials are warning about a tick that is capable of causing life-threatening allergic reactions to red meat.