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

In alpha-gal syndrome, the immune system overreacts to a sugar known as galactose-α-1,3-galactose, or "alpha-gal" for short.

Two emerging tick species, including one that is known to cause a red meat allergy, are on the rise in Connecticut. Researchers at the Connecticut Agricultural Experiment Station recently released ...