# New vaccine may prevent deadly diarrheal disease

Researchers have developed a vaccine targeting a major cause of deadly diarrheal disease, a leading killer of children in low-income regions. If successful, it could dramatically reduce child mortality and improve public health outcomes worldwide.

**Importance:** 4/5

## Sources

### Health
- [NPR Health](https://www.npr.org/2026/08/07/g-s1-137456/diarrhea-disease-vaccine-childhood-deaths-shigella) — Fri, 07 Aug 2026 07:36:33 -0400