Two additional tick species in the U.S. have been found capable of transmitting red meat allergy, or alpha-gal syndrome.

Tick bites can cause a rare red meat allergy called alpha-gal syndrome Research shows more types of ticks may be spreading the condition Alpha-gal syndrome can lead to delayed, severe allergic ...

MONDAY, March 24, 2025 (HealthDay News) -- A rare red meat allergy, usually linked to a bite from the lone star tick, may also be caused by other tick species found in different parts of the U.S ...

Alpha-gal, a sugar molecule, enters the body via a tick bite. In certain people, this sets off a response from the immune system, the body's defense mechanism. Red meats such as lamb, beef and ...