This delayed allergic reaction is called alpha-gal syndrome. While it’s commonly called the “red meat allergy,” that nickname is misleading, because alpha-gal syndrome can cause strong reactions to ...

Inside Douglas Norris' lab at the Johns Hopkins Bloomberg School of Public Health is a healthy stack of envelopes — not with letters inside, but with ticks.

According to data from the U.S. Centers for Disease Control and Prevention (CDC), emergency room visits for tick bites are at ...