# Woman's UTI Bacteria Evolved Over Two Years to Invade Her Brain

A woman developed a urinary tract infection, and over two years, the bacteria evolved resistance to antibiotics and spread to her brain, causing a rare and severe infection. This case highlights the dangers of persistent bacterial infections and the potential for pathogens to adapt and become life-threatening. It underscores the urgent need for new treatments and better understanding of bacterial evolution.

**Importance:** 3/5

## Sources

### Technology
- [Ars Technica](https://arstechnica.com/health/2026/07/woman-loses-vision-in-one-eye-after-uti-bacteria-evolves-to-invade-her-brain/) — Thu, 23 Jul 2026 16:58:26 +0000