Infectious Disease Decades of Failed Diarrhea Vaccines Kept Hitting the Wrong Coat. A WashU Team Just Found the Scissors Underneath.
A WashU-led team identified a structurally conserved patch on three mucus-cleaving enzymes that ETEC, Shigella, and other gut pathogens all use to breach the intestinal barrier, offering a single antibody target the field has chased for decades.
By Marcus Chen · June 18, 2026