Lone star ticks are covering much of the U.S. Here's what you need to know

Lone star ticks are spreading across much of the United States, and they pose an unusual threat: they can transmit alpha-gal syndrome, a potentially serious allergy to red meat. According to The New Yorker, these small but aggressive ticks actively hunt their hosts and inject a compound that can trigger the allergy in people who are bitten. The resulting meat intolerance can persist long-term. If you're in an affected area, take precautions during outdoor activities and check yourself for ticks afterward.

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