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

Two cases of alpha-gal syndrome suggest that the lone star tick isn’t the only species in the United States capable of triggering an allergy to red meat.

Mather said it’s currently too early to tell how bad tick season will be. But he did point to an alarming trend: an uptick in lone star ticks, which can cause an allergy to red meat. Here’s ...