Only 20 percent of the estimated 265,000 Shiga toxin-producing Escherichia coli (STEC) cases annually in the United States involve outbreaks that the public hears about, according to the federal Centers for Disease Control and Prevention.

landonhuston_406x250Two-year-old Landon Huston, currently at Children’s Medical Center Dallas, is one of the solo cases that comprise the other 80…