# South Carolina measles outbreak reached Washington state five times in two weeks

https://mins.news/en/item/118213

- Ars Technica, 2026-10-27 22:22 UTC
- Health
- Original: https://arstechnica.com/health/2026/10/domestic-travel-poses-growing-risk-for-measles-and-a-new-challenge-for-states/

> A study details how South Carolina’s measles outbreak was carried to Washington state through five separate importation events over two weeks in January, resulting in 26 cases before officials stopped the spread. South Carolina’s outbreak ran from October 2, 2025, to April 26, 2026, with 997 confirmed cases; Pennsylvania’s ongoing outbreak has since surpassed its size.

## Related coverage

- [Worst measles outbreak in decades hits Pennsylvania Amish country](https://mins.news/en/video/122337) — The Associated Press, 2026-10-30