 AGS is not caused by an infection, but is an allergic condition and is associated with the bite of a lone star tick, and it may be caused by other types of tick bites as well. The lone star tick, though, is the most common species in Delaware. Affected persons become allergic to the alpha-gal sugar molecule in mammalian meat and dairy products. AGS is a serious and potentially life-threatening allergic condition. You'll find more information at thetalkofdelmarva.com.